Home / 709,327.46-1,061,494.76-443,213.30

Finding the Fourth Proportional to 709,327.46, 1,061,494.76 and 443,213.30

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Solution

The fourth proportional to 709,327.46, 1,061,494.76 and 443,213.30 is: 663,260.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,327.46 : 1,061,494.76 = 443,213.30 : x
  2. Step 2: Convert to fraction form
    709,327.46/1,061,494.76 = 443,213.30/x
  3. Step 3: Cross multiply
    709,327.46x = 1,061,494.76 × 443,213.30
  4. Step 4: Simplify right side
    709,327.46x = 470,468,587,988.77
  5. Step 5: Solve for x
    x = 470,468,587,988.77/709,327.46
  6. Step 6: Final answer
    x = 663,260.08

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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.