Home / 817,487.88-1,226,481.50-418,411.41

Finding the Fourth Proportional to 817,487.88, 1,226,481.50 and 418,411.41

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Solution

The fourth proportional to 817,487.88, 1,226,481.50 and 418,411.41 is: 627,744.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,487.88 : 1,226,481.50 = 418,411.41 : x
  2. Step 2: Convert to fraction form
    817,487.88/1,226,481.50 = 418,411.41/x
  3. Step 3: Cross multiply
    817,487.88x = 1,226,481.50 × 418,411.41
  4. Step 4: Simplify right side
    817,487.88x = 513,173,853,753.92
  5. Step 5: Solve for x
    x = 513,173,853,753.92/817,487.88
  6. Step 6: Final answer
    x = 627,744.91

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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.