Home / 728,274.25-1,092,411.38-229,638.25

Finding the Fourth Proportional to 728,274.25, 1,092,411.38 and 229,638.25

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Solution

The fourth proportional to 728,274.25, 1,092,411.38 and 229,638.25 is: 344,457.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,274.25 : 1,092,411.38 = 229,638.25 : x
  2. Step 2: Convert to fraction form
    728,274.25/1,092,411.38 = 229,638.25/x
  3. Step 3: Cross multiply
    728,274.25x = 1,092,411.38 × 229,638.25
  4. Step 4: Simplify right side
    728,274.25x = 250,859,437,583.29
  5. Step 5: Solve for x
    x = 250,859,437,583.29/728,274.25
  6. Step 6: Final answer
    x = 344,457.38

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Half scale
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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.