Home / 497,982.12-747,126.27-445,056.72

Finding the Fourth Proportional to 497,982.12, 747,126.27 and 445,056.72

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Solution

The fourth proportional to 497,982.12, 747,126.27 and 445,056.72 is: 667,721.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,982.12 : 747,126.27 = 445,056.72 : x
  2. Step 2: Convert to fraction form
    497,982.12/747,126.27 = 445,056.72/x
  3. Step 3: Cross multiply
    497,982.12x = 747,126.27 × 445,056.72
  4. Step 4: Simplify right side
    497,982.12x = 332,513,561,191.12
  5. Step 5: Solve for x
    x = 332,513,561,191.12/497,982.12
  6. Step 6: Final answer
    x = 667,721.89

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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.