Home / 762,764.35-1,144,331.49-230,253.56

Finding the Fourth Proportional to 762,764.35, 1,144,331.49 and 230,253.56

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Solution

The fourth proportional to 762,764.35, 1,144,331.49 and 230,253.56 is: 345,436.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,764.35 : 1,144,331.49 = 230,253.56 : x
  2. Step 2: Convert to fraction form
    762,764.35/1,144,331.49 = 230,253.56/x
  3. Step 3: Cross multiply
    762,764.35x = 1,144,331.49 × 230,253.56
  4. Step 4: Simplify right side
    762,764.35x = 263,486,399,392.60
  5. Step 5: Solve for x
    x = 263,486,399,392.60/762,764.35
  6. Step 6: Final answer
    x = 345,436.17

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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.