Home / 747,672.15-1,121,508.24-186,706.65

Finding the Fourth Proportional to 747,672.15, 1,121,508.24 and 186,706.65

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Solution

The fourth proportional to 747,672.15, 1,121,508.24 and 186,706.65 is: 280,059.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,672.15 : 1,121,508.24 = 186,706.65 : x
  2. Step 2: Convert to fraction form
    747,672.15/1,121,508.24 = 186,706.65/x
  3. Step 3: Cross multiply
    747,672.15x = 1,121,508.24 × 186,706.65
  4. Step 4: Simplify right side
    747,672.15x = 209,393,046,437.80
  5. Step 5: Solve for x
    x = 209,393,046,437.80/747,672.15
  6. Step 6: Final answer
    x = 280,059.98

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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.