Home / 987,398.48-1,480,791.44-356,230.24

Finding the Fourth Proportional to 987,398.48, 1,480,791.44 and 356,230.24

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Solution

The fourth proportional to 987,398.48, 1,480,791.44 and 356,230.24 is: 534,234.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,398.48 : 1,480,791.44 = 356,230.24 : x
  2. Step 2: Convert to fraction form
    987,398.48/1,480,791.44 = 356,230.24/x
  3. Step 3: Cross multiply
    987,398.48x = 1,480,791.44 × 356,230.24
  4. Step 4: Simplify right side
    987,398.48x = 527,502,690,061.15
  5. Step 5: Solve for x
    x = 527,502,690,061.15/987,398.48
  6. Step 6: Final answer
    x = 534,234.86

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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.