Home / 758,205.91-1,136,928.55-252,589.12

Finding the Fourth Proportional to 758,205.91, 1,136,928.55 and 252,589.12

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Solution

The fourth proportional to 758,205.91, 1,136,928.55 and 252,589.12 is: 378,756.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,205.91 : 1,136,928.55 = 252,589.12 : x
  2. Step 2: Convert to fraction form
    758,205.91/1,136,928.55 = 252,589.12/x
  3. Step 3: Cross multiply
    758,205.91x = 1,136,928.55 × 252,589.12
  4. Step 4: Simplify right side
    758,205.91x = 287,175,781,947.38
  5. Step 5: Solve for x
    x = 287,175,781,947.38/758,205.91
  6. Step 6: Final answer
    x = 378,756.98

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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.