Home / 766,981.72-1,150,472.56-234,502.74

Finding the Fourth Proportional to 766,981.72, 1,150,472.56 and 234,502.74

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Solution

The fourth proportional to 766,981.72, 1,150,472.56 and 234,502.74 is: 351,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,981.72 : 1,150,472.56 = 234,502.74 : x
  2. Step 2: Convert to fraction form
    766,981.72/1,150,472.56 = 234,502.74/x
  3. Step 3: Cross multiply
    766,981.72x = 1,150,472.56 × 234,502.74
  4. Step 4: Simplify right side
    766,981.72x = 269,788,967,614.81
  5. Step 5: Solve for x
    x = 269,788,967,614.81/766,981.72
  6. Step 6: Final answer
    x = 351,754.10

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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.