Home / 756,022.72-1,134,034.08-518,645.92

Finding the Fourth Proportional to 756,022.72, 1,134,034.08 and 518,645.92

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Solution

The fourth proportional to 756,022.72, 1,134,034.08 and 518,645.92 is: 777,968.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,022.72 : 1,134,034.08 = 518,645.92 : x
  2. Step 2: Convert to fraction form
    756,022.72/1,134,034.08 = 518,645.92/x
  3. Step 3: Cross multiply
    756,022.72x = 1,134,034.08 × 518,645.92
  4. Step 4: Simplify right side
    756,022.72x = 588,162,148,732.95
  5. Step 5: Solve for x
    x = 588,162,148,732.95/756,022.72
  6. Step 6: Final answer
    x = 777,968.88

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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.