Home / 767,816.20-1,151,724.30-726,344.20

Finding the Fourth Proportional to 767,816.20, 1,151,724.30 and 726,344.20

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Solution

The fourth proportional to 767,816.20, 1,151,724.30 and 726,344.20 is: 1,089,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,816.20 : 1,151,724.30 = 726,344.20 : x
  2. Step 2: Convert to fraction form
    767,816.20/1,151,724.30 = 726,344.20/x
  3. Step 3: Cross multiply
    767,816.20x = 1,151,724.30 × 726,344.20
  4. Step 4: Simplify right side
    767,816.20x = 836,548,265,304.06
  5. Step 5: Solve for x
    x = 836,548,265,304.06/767,816.20
  6. Step 6: Final answer
    x = 1,089,516.30

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Half scale
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Double scale
Find fourth proportional to 767,817.20, 1,151,725.80 and 726,345.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.