Home / 762,622.98-1,052,384.04-418,451.15

Finding the Fourth Proportional to 762,622.98, 1,052,384.04 and 418,451.15

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Solution

The fourth proportional to 762,622.98, 1,052,384.04 and 418,451.15 is: 577,443.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,622.98 : 1,052,384.04 = 418,451.15 : x
  2. Step 2: Convert to fraction form
    762,622.98/1,052,384.04 = 418,451.15/x
  3. Step 3: Cross multiply
    762,622.98x = 1,052,384.04 × 418,451.15
  4. Step 4: Simplify right side
    762,622.98x = 440,371,306,517.73
  5. Step 5: Solve for x
    x = 440,371,306,517.73/762,622.98
  6. Step 6: Final answer
    x = 577,443.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.