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Finding the Fourth Proportional to 544,715.70, 817,073.55 and 520,221.30

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Solution

The fourth proportional to 544,715.70, 817,073.55 and 520,221.30 is: 780,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,715.70 : 817,073.55 = 520,221.30 : x
  2. Step 2: Convert to fraction form
    544,715.70/817,073.55 = 520,221.30/x
  3. Step 3: Cross multiply
    544,715.70x = 817,073.55 × 520,221.30
  4. Step 4: Simplify right side
    544,715.70x = 425,059,064,376.62
  5. Step 5: Solve for x
    x = 425,059,064,376.62/544,715.70
  6. Step 6: Final answer
    x = 780,331.95

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Similar ratio
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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.