Home / 669,863.80-1,003,629.30-576,551.80

Finding the Fourth Proportional to 669,863.80, 1,003,629.30 and 576,551.80

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Solution

The fourth proportional to 669,863.80, 1,003,629.30 and 576,551.80 is: 863,823.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,863.80 : 1,003,629.30 = 576,551.80 : x
  2. Step 2: Convert to fraction form
    669,863.80/1,003,629.30 = 576,551.80/x
  3. Step 3: Cross multiply
    669,863.80x = 1,003,629.30 × 576,551.80
  4. Step 4: Simplify right side
    669,863.80x = 578,644,279,447.74
  5. Step 5: Solve for x
    x = 578,644,279,447.74/669,863.80
  6. Step 6: Final answer
    x = 863,823.78

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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.