Home / 516,781.19-712,997.75-301,766.15

Finding the Fourth Proportional to 516,781.19, 712,997.75 and 301,766.15

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Solution

The fourth proportional to 516,781.19, 712,997.75 and 301,766.15 is: 416,343.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,781.19 : 712,997.75 = 301,766.15 : x
  2. Step 2: Convert to fraction form
    516,781.19/712,997.75 = 301,766.15/x
  3. Step 3: Cross multiply
    516,781.19x = 712,997.75 × 301,766.15
  4. Step 4: Simplify right side
    516,781.19x = 215,158,583,165.59
  5. Step 5: Solve for x
    x = 215,158,583,165.59/516,781.19
  6. Step 6: Final answer
    x = 416,343.69

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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.