Home / 759,151.92-1,138,845.96-253,556.40

Finding the Fourth Proportional to 759,151.92, 1,138,845.96 and 253,556.40

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Solution

The fourth proportional to 759,151.92, 1,138,845.96 and 253,556.40 is: 380,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,151.92 : 1,138,845.96 = 253,556.40 : x
  2. Step 2: Convert to fraction form
    759,151.92/1,138,845.96 = 253,556.40/x
  3. Step 3: Cross multiply
    759,151.92x = 1,138,845.96 × 253,556.40
  4. Step 4: Simplify right side
    759,151.92x = 288,761,681,772.14
  5. Step 5: Solve for x
    x = 288,761,681,772.14/759,151.92
  6. Step 6: Final answer
    x = 380,374.04

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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.