Home / 725,445.52-1,088,352.69-426,179.14

Finding the Fourth Proportional to 725,445.52, 1,088,352.69 and 426,179.14

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Solution

The fourth proportional to 725,445.52, 1,088,352.69 and 426,179.14 is: 639,377.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,445.52 : 1,088,352.69 = 426,179.14 : x
  2. Step 2: Convert to fraction form
    725,445.52/1,088,352.69 = 426,179.14/x
  3. Step 3: Cross multiply
    725,445.52x = 1,088,352.69 × 426,179.14
  4. Step 4: Simplify right side
    725,445.52x = 463,833,213,440.89
  5. Step 5: Solve for x
    x = 463,833,213,440.89/725,445.52
  6. Step 6: Final answer
    x = 639,377.05

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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.