Home / 669,166.20-1,003,749.30-469,711.80

Finding the Fourth Proportional to 669,166.20, 1,003,749.30 and 469,711.80

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Solution

The fourth proportional to 669,166.20, 1,003,749.30 and 469,711.80 is: 704,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,166.20 : 1,003,749.30 = 469,711.80 : x
  2. Step 2: Convert to fraction form
    669,166.20/1,003,749.30 = 469,711.80/x
  3. Step 3: Cross multiply
    669,166.20x = 1,003,749.30 × 469,711.80
  4. Step 4: Simplify right side
    669,166.20x = 471,472,890,451.74
  5. Step 5: Solve for x
    x = 471,472,890,451.74/669,166.20
  6. Step 6: Final answer
    x = 704,567.70

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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.