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Finding the Fourth Proportional to 580,347.97, 799,562.79 and 449,074.24

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Solution

The fourth proportional to 580,347.97, 799,562.79 and 449,074.24 is: 618,703.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,347.97 : 799,562.79 = 449,074.24 : x
  2. Step 2: Convert to fraction form
    580,347.97/799,562.79 = 449,074.24/x
  3. Step 3: Cross multiply
    580,347.97x = 799,562.79 × 449,074.24
  4. Step 4: Simplify right side
    580,347.97x = 359,063,052,251.53
  5. Step 5: Solve for x
    x = 359,063,052,251.53/580,347.97
  6. Step 6: Final answer
    x = 618,703.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.