Home / 521,132.22-781,124.85-341,001.18

Finding the Fourth Proportional to 521,132.22, 781,124.85 and 341,001.18

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Solution

The fourth proportional to 521,132.22, 781,124.85 and 341,001.18 is: 511,126.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,132.22 : 781,124.85 = 341,001.18 : x
  2. Step 2: Convert to fraction form
    521,132.22/781,124.85 = 341,001.18/x
  3. Step 3: Cross multiply
    521,132.22x = 781,124.85 × 341,001.18
  4. Step 4: Simplify right side
    521,132.22x = 266,364,495,577.32
  5. Step 5: Solve for x
    x = 266,364,495,577.32/521,132.22
  6. Step 6: Final answer
    x = 511,126.52

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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.