Home / 598,544.60-897,039.30-432,138.20

Finding the Fourth Proportional to 598,544.60, 897,039.30 and 432,138.20

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Solution

The fourth proportional to 598,544.60, 897,039.30 and 432,138.20 is: 647,645.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,544.60 : 897,039.30 = 432,138.20 : x
  2. Step 2: Convert to fraction form
    598,544.60/897,039.30 = 432,138.20/x
  3. Step 3: Cross multiply
    598,544.60x = 897,039.30 × 432,138.20
  4. Step 4: Simplify right side
    598,544.60x = 387,644,948,431.26
  5. Step 5: Solve for x
    x = 387,644,948,431.26/598,544.60
  6. Step 6: Final answer
    x = 647,645.89

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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.