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Finding the Fourth Proportional to 509,481.54, 763,498.08 and 375,306.66

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Solution

The fourth proportional to 509,481.54, 763,498.08 and 375,306.66 is: 562,426.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,481.54 : 763,498.08 = 375,306.66 : x
  2. Step 2: Convert to fraction form
    509,481.54/763,498.08 = 375,306.66/x
  3. Step 3: Cross multiply
    509,481.54x = 763,498.08 × 375,306.66
  4. Step 4: Simplify right side
    509,481.54x = 286,545,914,321.21
  5. Step 5: Solve for x
    x = 286,545,914,321.21/509,481.54
  6. Step 6: Final answer
    x = 562,426.49

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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.