Home / 769,487.28-1,154,288.91-229,700.92

Finding the Fourth Proportional to 769,487.28, 1,154,288.91 and 229,700.92

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Solution

The fourth proportional to 769,487.28, 1,154,288.91 and 229,700.92 is: 344,568.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,487.28 : 1,154,288.91 = 229,700.92 : x
  2. Step 2: Convert to fraction form
    769,487.28/1,154,288.91 = 229,700.92/x
  3. Step 3: Cross multiply
    769,487.28x = 1,154,288.91 × 229,700.92
  4. Step 4: Simplify right side
    769,487.28x = 265,141,224,572.80
  5. Step 5: Solve for x
    x = 265,141,224,572.80/769,487.28
  6. Step 6: Final answer
    x = 344,568.69

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Double scale
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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.