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Finding the Fourth Proportional to 497,593.88, 746,679.90 and 209,384.39

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Solution

The fourth proportional to 497,593.88, 746,679.90 and 209,384.39 is: 314,198.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,593.88 : 746,679.90 = 209,384.39 : x
  2. Step 2: Convert to fraction form
    497,593.88/746,679.90 = 209,384.39/x
  3. Step 3: Cross multiply
    497,593.88x = 746,679.90 × 209,384.39
  4. Step 4: Simplify right side
    497,593.88x = 156,343,115,386.76
  5. Step 5: Solve for x
    x = 156,343,115,386.76/497,593.88
  6. Step 6: Final answer
    x = 314,198.23

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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.