Home / 951,250.80-1,312,711.20-521,534.64

Finding the Fourth Proportional to 951,250.80, 1,312,711.20 and 521,534.64

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Solution

The fourth proportional to 951,250.80, 1,312,711.20 and 521,534.64 is: 719,709.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,250.80 : 1,312,711.20 = 521,534.64 : x
  2. Step 2: Convert to fraction form
    951,250.80/1,312,711.20 = 521,534.64/x
  3. Step 3: Cross multiply
    951,250.80x = 1,312,711.20 × 521,534.64
  4. Step 4: Simplify right side
    951,250.80x = 684,624,363,115.97
  5. Step 5: Solve for x
    x = 684,624,363,115.97/951,250.80
  6. Step 6: Final answer
    x = 719,709.63

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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.