Home / 728,280.88-1,092,421.31-229,644.88

Finding the Fourth Proportional to 728,280.88, 1,092,421.31 and 229,644.88

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Solution

The fourth proportional to 728,280.88, 1,092,421.31 and 229,644.88 is: 344,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,280.88 : 1,092,421.31 = 229,644.88 : x
  2. Step 2: Convert to fraction form
    728,280.88/1,092,421.31 = 229,644.88/x
  3. Step 3: Cross multiply
    728,280.88x = 1,092,421.31 × 229,644.88
  4. Step 4: Simplify right side
    728,280.88x = 250,868,960,644.39
  5. Step 5: Solve for x
    x = 250,868,960,644.39/728,280.88
  6. Step 6: Final answer
    x = 344,467.32

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Double scale
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Similar ratio
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1.5x scale

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.