Home / 497,129.48-745,115.78-284,046.66

Finding the Fourth Proportional to 497,129.48, 745,115.78 and 284,046.66

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Solution

The fourth proportional to 497,129.48, 745,115.78 and 284,046.66 is: 425,739.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,129.48 : 745,115.78 = 284,046.66 : x
  2. Step 2: Convert to fraction form
    497,129.48/745,115.78 = 284,046.66/x
  3. Step 3: Cross multiply
    497,129.48x = 745,115.78 × 284,046.66
  4. Step 4: Simplify right side
    497,129.48x = 211,647,648,622.30
  5. Step 5: Solve for x
    x = 211,647,648,622.30/497,129.48
  6. Step 6: Final answer
    x = 425,739.48

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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.