Home / 758,869.55-1,138,453.79-226,378.79

Finding the Fourth Proportional to 758,869.55, 1,138,453.79 and 226,378.79

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Solution

The fourth proportional to 758,869.55, 1,138,453.79 and 226,378.79 is: 339,612.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,869.55 : 1,138,453.79 = 226,378.79 : x
  2. Step 2: Convert to fraction form
    758,869.55/1,138,453.79 = 226,378.79/x
  3. Step 3: Cross multiply
    758,869.55x = 1,138,453.79 × 226,378.79
  4. Step 4: Simplify right side
    758,869.55x = 257,721,784,626.95
  5. Step 5: Solve for x
    x = 257,721,784,626.95/758,869.55
  6. Step 6: Final answer
    x = 339,612.77

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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.