Home / 497,982.62-747,127.02-445,057.22

Finding the Fourth Proportional to 497,982.62, 747,127.02 and 445,057.22

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Solution

The fourth proportional to 497,982.62, 747,127.02 and 445,057.22 is: 667,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,982.62 : 747,127.02 = 445,057.22 : x
  2. Step 2: Convert to fraction form
    497,982.62/747,127.02 = 445,057.22/x
  3. Step 3: Cross multiply
    497,982.62x = 747,127.02 × 445,057.22
  4. Step 4: Simplify right side
    497,982.62x = 332,514,270,772.45
  5. Step 5: Solve for x
    x = 332,514,270,772.45/497,982.62
  6. Step 6: Final answer
    x = 667,722.65

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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.