Home / 521,146.86-781,835.04-296,612.97

Finding the Fourth Proportional to 521,146.86, 781,835.04 and 296,612.97

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Solution

The fourth proportional to 521,146.86, 781,835.04 and 296,612.97 is: 444,984.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,146.86 : 781,835.04 = 296,612.97 : x
  2. Step 2: Convert to fraction form
    521,146.86/781,835.04 = 296,612.97/x
  3. Step 3: Cross multiply
    521,146.86x = 781,835.04 × 296,612.97
  4. Step 4: Simplify right side
    521,146.86x = 231,902,413,264.47
  5. Step 5: Solve for x
    x = 231,902,413,264.47/521,146.86
  6. Step 6: Final answer
    x = 444,984.77

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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.