Home / 481,402.17-721,837.17-329,772.87

Finding the Fourth Proportional to 481,402.17, 721,837.17 and 329,772.87

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Solution

The fourth proportional to 481,402.17, 721,837.17 and 329,772.87 is: 494,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,402.17 : 721,837.17 = 329,772.87 : x
  2. Step 2: Convert to fraction form
    481,402.17/721,837.17 = 329,772.87/x
  3. Step 3: Cross multiply
    481,402.17x = 721,837.17 × 329,772.87
  4. Step 4: Simplify right side
    481,402.17x = 238,042,315,223.58
  5. Step 5: Solve for x
    x = 238,042,315,223.58/481,402.17
  6. Step 6: Final answer
    x = 494,477.03

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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.