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Finding the Fourth Proportional to 703,732.16, 970,380.11 and 522,779.78

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Solution

The fourth proportional to 703,732.16, 970,380.11 and 522,779.78 is: 720,863.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,732.16 : 970,380.11 = 522,779.78 : x
  2. Step 2: Convert to fraction form
    703,732.16/970,380.11 = 522,779.78/x
  3. Step 3: Cross multiply
    703,732.16x = 970,380.11 × 522,779.78
  4. Step 4: Simplify right side
    703,732.16x = 507,295,092,956.38
  5. Step 5: Solve for x
    x = 507,295,092,956.38/703,732.16
  6. Step 6: Final answer
    x = 720,863.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.