Home / 669,148.20-1,003,722.30-469,693.80

Finding the Fourth Proportional to 669,148.20, 1,003,722.30 and 469,693.80

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Solution

The fourth proportional to 669,148.20, 1,003,722.30 and 469,693.80 is: 704,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,148.20 : 1,003,722.30 = 469,693.80 : x
  2. Step 2: Convert to fraction form
    669,148.20/1,003,722.30 = 469,693.80/x
  3. Step 3: Cross multiply
    669,148.20x = 1,003,722.30 × 469,693.80
  4. Step 4: Simplify right side
    669,148.20x = 471,442,141,231.74
  5. Step 5: Solve for x
    x = 471,442,141,231.74/669,148.20
  6. Step 6: Final answer
    x = 704,540.70

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1.5x scale

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.