Home / 729,711.74-1,095,065.87-256,397.15

Finding the Fourth Proportional to 729,711.74, 1,095,065.87 and 256,397.15

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Solution

The fourth proportional to 729,711.74, 1,095,065.87 and 256,397.15 is: 384,770.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,711.74 : 1,095,065.87 = 256,397.15 : x
  2. Step 2: Convert to fraction form
    729,711.74/1,095,065.87 = 256,397.15/x
  3. Step 3: Cross multiply
    729,711.74x = 1,095,065.87 × 256,397.15
  4. Step 4: Simplify right side
    729,711.74x = 280,771,761,372.96
  5. Step 5: Solve for x
    x = 280,771,761,372.96/729,711.74
  6. Step 6: Final answer
    x = 384,770.79

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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.