Home / 762,516.44-1,142,976.54-256,902.71

Finding the Fourth Proportional to 762,516.44, 1,142,976.54 and 256,902.71

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Solution

The fourth proportional to 762,516.44, 1,142,976.54 and 256,902.71 is: 385,085.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,516.44 : 1,142,976.54 = 256,902.71 : x
  2. Step 2: Convert to fraction form
    762,516.44/1,142,976.54 = 256,902.71/x
  3. Step 3: Cross multiply
    762,516.44x = 1,142,976.54 × 256,902.71
  4. Step 4: Simplify right side
    762,516.44x = 293,633,770,592.42
  5. Step 5: Solve for x
    x = 293,633,770,592.42/762,516.44
  6. Step 6: Final answer
    x = 385,085.17

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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.