Home / 792,115.40-1,188,173.10-477,187.40

Finding the Fourth Proportional to 792,115.40, 1,188,173.10 and 477,187.40

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Solution

The fourth proportional to 792,115.40, 1,188,173.10 and 477,187.40 is: 715,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,115.40 : 1,188,173.10 = 477,187.40 : x
  2. Step 2: Convert to fraction form
    792,115.40/1,188,173.10 = 477,187.40/x
  3. Step 3: Cross multiply
    792,115.40x = 1,188,173.10 × 477,187.40
  4. Step 4: Simplify right side
    792,115.40x = 566,981,232,338.94
  5. Step 5: Solve for x
    x = 566,981,232,338.94/792,115.40
  6. Step 6: Final answer
    x = 715,781.10

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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.