Home / 803,867.15-1,205,169.22-550,380.86

Finding the Fourth Proportional to 803,867.15, 1,205,169.22 and 550,380.86

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Solution

The fourth proportional to 803,867.15, 1,205,169.22 and 550,380.86 is: 825,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,867.15 : 1,205,169.22 = 550,380.86 : x
  2. Step 2: Convert to fraction form
    803,867.15/1,205,169.22 = 550,380.86/x
  3. Step 3: Cross multiply
    803,867.15x = 1,205,169.22 × 550,380.86
  4. Step 4: Simplify right side
    803,867.15x = 663,302,070,930.64
  5. Step 5: Solve for x
    x = 663,302,070,930.64/803,867.15
  6. Step 6: Final answer
    x = 825,138.92

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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.