Home / 767,810.20-1,151,715.30-607,451.80

Finding the Fourth Proportional to 767,810.20, 1,151,715.30 and 607,451.80

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Solution

The fourth proportional to 767,810.20, 1,151,715.30 and 607,451.80 is: 911,177.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,810.20 : 1,151,715.30 = 607,451.80 : x
  2. Step 2: Convert to fraction form
    767,810.20/1,151,715.30 = 607,451.80/x
  3. Step 3: Cross multiply
    767,810.20x = 1,151,715.30 × 607,451.80
  4. Step 4: Simplify right side
    767,810.20x = 699,611,532,072.54
  5. Step 5: Solve for x
    x = 699,611,532,072.54/767,810.20
  6. Step 6: Final answer
    x = 911,177.70

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Double scale
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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.