Home / 999,329.38-1,498,658.40-325,252.15

Finding the Fourth Proportional to 999,329.38, 1,498,658.40 and 325,252.15

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Solution

The fourth proportional to 999,329.38, 1,498,658.40 and 325,252.15 is: 487,768.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,329.38 : 1,498,658.40 = 325,252.15 : x
  2. Step 2: Convert to fraction form
    999,329.38/1,498,658.40 = 325,252.15/x
  3. Step 3: Cross multiply
    999,329.38x = 1,498,658.40 × 325,252.15
  4. Step 4: Simplify right side
    999,329.38x = 487,441,862,968.91
  5. Step 5: Solve for x
    x = 487,441,862,968.91/999,329.38
  6. Step 6: Final answer
    x = 487,768.97

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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.