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Finding the Fourth Proportional to 650,517.63, 897,297.78 and 521,765.04

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Solution

The fourth proportional to 650,517.63, 897,297.78 and 521,765.04 is: 719,701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,517.63 : 897,297.78 = 521,765.04 : x
  2. Step 2: Convert to fraction form
    650,517.63/897,297.78 = 521,765.04/x
  3. Step 3: Cross multiply
    650,517.63x = 897,297.78 × 521,765.04
  4. Step 4: Simplify right side
    650,517.63x = 468,178,612,073.61
  5. Step 5: Solve for x
    x = 468,178,612,073.61/650,517.63
  6. Step 6: Final answer
    x = 719,701.65

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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.