Home / 709,816.20-1,064,724.30-211,180.20

Finding the Fourth Proportional to 709,816.20, 1,064,724.30 and 211,180.20

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Solution

The fourth proportional to 709,816.20, 1,064,724.30 and 211,180.20 is: 316,770.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,816.20 : 1,064,724.30 = 211,180.20 : x
  2. Step 2: Convert to fraction form
    709,816.20/1,064,724.30 = 211,180.20/x
  3. Step 3: Cross multiply
    709,816.20x = 1,064,724.30 × 211,180.20
  4. Step 4: Simplify right side
    709,816.20x = 224,848,690,618.86
  5. Step 5: Solve for x
    x = 224,848,690,618.86/709,816.20
  6. Step 6: Final answer
    x = 316,770.30

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Half scale
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Double scale
Find fourth proportional to 709,817.20, 1,064,725.80 and 211,181.20
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.