Home / 499,318.43-747,788.76-318,844.84

Finding the Fourth Proportional to 499,318.43, 747,788.76 and 318,844.84

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Solution

The fourth proportional to 499,318.43, 747,788.76 and 318,844.84 is: 477,508.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,318.43 : 747,788.76 = 318,844.84 : x
  2. Step 2: Convert to fraction form
    499,318.43/747,788.76 = 318,844.84/x
  3. Step 3: Cross multiply
    499,318.43x = 747,788.76 × 318,844.84
  4. Step 4: Simplify right side
    499,318.43x = 238,428,585,941.77
  5. Step 5: Solve for x
    x = 238,428,585,941.77/499,318.43
  6. Step 6: Final answer
    x = 477,508.08

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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.