Home / 438,110.52-658,392.66-260,644.92

Finding the Fourth Proportional to 438,110.52, 658,392.66 and 260,644.92

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Solution

The fourth proportional to 438,110.52, 658,392.66 and 260,644.92 is: 391,697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,110.52 : 658,392.66 = 260,644.92 : x
  2. Step 2: Convert to fraction form
    438,110.52/658,392.66 = 260,644.92/x
  3. Step 3: Cross multiply
    438,110.52x = 658,392.66 × 260,644.92
  4. Step 4: Simplify right side
    438,110.52x = 171,606,702,194.29
  5. Step 5: Solve for x
    x = 171,606,702,194.29/438,110.52
  6. Step 6: Final answer
    x = 391,697.29

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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.