Home / 728,061.63-1,092,584.43-254,751.09

Finding the Fourth Proportional to 728,061.63, 1,092,584.43 and 254,751.09

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Solution

The fourth proportional to 728,061.63, 1,092,584.43 and 254,751.09 is: 382,298.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,061.63 : 1,092,584.43 = 254,751.09 : x
  2. Step 2: Convert to fraction form
    728,061.63/1,092,584.43 = 254,751.09/x
  3. Step 3: Cross multiply
    728,061.63x = 1,092,584.43 × 254,751.09
  4. Step 4: Simplify right side
    728,061.63x = 278,337,074,459.53
  5. Step 5: Solve for x
    x = 278,337,074,459.53/728,061.63
  6. Step 6: Final answer
    x = 382,298.78

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Similar ratio
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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.