Home / 804,644.20-1,207,743.90-489,716.20

Finding the Fourth Proportional to 804,644.20, 1,207,743.90 and 489,716.20

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Solution

The fourth proportional to 804,644.20, 1,207,743.90 and 489,716.20 is: 735,047.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,644.20 : 1,207,743.90 = 489,716.20 : x
  2. Step 2: Convert to fraction form
    804,644.20/1,207,743.90 = 489,716.20/x
  3. Step 3: Cross multiply
    804,644.20x = 1,207,743.90 × 489,716.20
  4. Step 4: Simplify right side
    804,644.20x = 591,451,753,281.18
  5. Step 5: Solve for x
    x = 591,451,753,281.18/804,644.20
  6. Step 6: Final answer
    x = 735,047.56

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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.