Home / 721,013.52-1,081,442.37-241,186.89

Finding the Fourth Proportional to 721,013.52, 1,081,442.37 and 241,186.89

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Solution

The fourth proportional to 721,013.52, 1,081,442.37 and 241,186.89 is: 361,754.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,013.52 : 1,081,442.37 = 241,186.89 : x
  2. Step 2: Convert to fraction form
    721,013.52/1,081,442.37 = 241,186.89/x
  3. Step 3: Cross multiply
    721,013.52x = 1,081,442.37 × 241,186.89
  4. Step 4: Simplify right side
    721,013.52x = 260,829,721,934.53
  5. Step 5: Solve for x
    x = 260,829,721,934.53/721,013.52
  6. Step 6: Final answer
    x = 361,754.27

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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.