Home / 738,538.20-1,107,807.30-607,318.20

Finding the Fourth Proportional to 738,538.20, 1,107,807.30 and 607,318.20

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Solution

The fourth proportional to 738,538.20, 1,107,807.30 and 607,318.20 is: 910,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,538.20 : 1,107,807.30 = 607,318.20 : x
  2. Step 2: Convert to fraction form
    738,538.20/1,107,807.30 = 607,318.20/x
  3. Step 3: Cross multiply
    738,538.20x = 1,107,807.30 × 607,318.20
  4. Step 4: Simplify right side
    738,538.20x = 672,791,535,382.86
  5. Step 5: Solve for x
    x = 672,791,535,382.86/738,538.20
  6. Step 6: Final answer
    x = 910,977.30

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Half scale
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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.