Home / 730,759.32-1,096,138.98-257,333.76

Finding the Fourth Proportional to 730,759.32, 1,096,138.98 and 257,333.76

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Solution

The fourth proportional to 730,759.32, 1,096,138.98 and 257,333.76 is: 386,000.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,759.32 : 1,096,138.98 = 257,333.76 : x
  2. Step 2: Convert to fraction form
    730,759.32/1,096,138.98 = 257,333.76/x
  3. Step 3: Cross multiply
    730,759.32x = 1,096,138.98 × 257,333.76
  4. Step 4: Simplify right side
    730,759.32x = 282,073,565,205.97
  5. Step 5: Solve for x
    x = 282,073,565,205.97/730,759.32
  6. Step 6: Final answer
    x = 386,000.64

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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.