Home / 982,388.25-1,472,784.12-442,247.85

Finding the Fourth Proportional to 982,388.25, 1,472,784.12 and 442,247.85

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Solution

The fourth proportional to 982,388.25, 1,472,784.12 and 442,247.85 is: 663,012.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,388.25 : 1,472,784.12 = 442,247.85 : x
  2. Step 2: Convert to fraction form
    982,388.25/1,472,784.12 = 442,247.85/x
  3. Step 3: Cross multiply
    982,388.25x = 1,472,784.12 × 442,247.85
  4. Step 4: Simplify right side
    982,388.25x = 651,335,610,584.14
  5. Step 5: Solve for x
    x = 651,335,610,584.14/982,388.25
  6. Step 6: Final answer
    x = 663,012.42

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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.