Home / 669,207.28-1,003,598.03-219,823.89

Finding the Fourth Proportional to 669,207.28, 1,003,598.03 and 219,823.89

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Solution

The fourth proportional to 669,207.28, 1,003,598.03 and 219,823.89 is: 329,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,207.28 : 1,003,598.03 = 219,823.89 : x
  2. Step 2: Convert to fraction form
    669,207.28/1,003,598.03 = 219,823.89/x
  3. Step 3: Cross multiply
    669,207.28x = 1,003,598.03 × 219,823.89
  4. Step 4: Simplify right side
    669,207.28x = 220,614,822,950.94
  5. Step 5: Solve for x
    x = 220,614,822,950.94/669,207.28
  6. Step 6: Final answer
    x = 329,665.90

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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.