Home / 498,221.88-746,833.18-258,201.36

Finding the Fourth Proportional to 498,221.88, 746,833.18 and 258,201.36

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Solution

The fourth proportional to 498,221.88, 746,833.18 and 258,201.36 is: 387,043.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,221.88 : 746,833.18 = 258,201.36 : x
  2. Step 2: Convert to fraction form
    498,221.88/746,833.18 = 258,201.36/x
  3. Step 3: Cross multiply
    498,221.88x = 746,833.18 × 258,201.36
  4. Step 4: Simplify right side
    498,221.88x = 192,833,342,769.13
  5. Step 5: Solve for x
    x = 192,833,342,769.13/498,221.88
  6. Step 6: Final answer
    x = 387,043.10

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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.