Home / 753,575.28-1,039,676.66-466,990.80

Finding the Fourth Proportional to 753,575.28, 1,039,676.66 and 466,990.80

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Solution

The fourth proportional to 753,575.28, 1,039,676.66 and 466,990.80 is: 644,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,575.28 : 1,039,676.66 = 466,990.80 : x
  2. Step 2: Convert to fraction form
    753,575.28/1,039,676.66 = 466,990.80/x
  3. Step 3: Cross multiply
    753,575.28x = 1,039,676.66 × 466,990.80
  4. Step 4: Simplify right side
    753,575.28x = 485,519,435,194.73
  5. Step 5: Solve for x
    x = 485,519,435,194.73/753,575.28
  6. Step 6: Final answer
    x = 644,287.90

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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.