Home / 669,298.91-1,003,844.30-220,016.79

Finding the Fourth Proportional to 669,298.91, 1,003,844.30 and 220,016.79

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Solution

The fourth proportional to 669,298.91, 1,003,844.30 and 220,016.79 is: 329,990.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,298.91 : 1,003,844.30 = 220,016.79 : x
  2. Step 2: Convert to fraction form
    669,298.91/1,003,844.30 = 220,016.79/x
  3. Step 3: Cross multiply
    669,298.91x = 1,003,844.30 × 220,016.79
  4. Step 4: Simplify right side
    669,298.91x = 220,862,599,445.71
  5. Step 5: Solve for x
    x = 220,862,599,445.71/669,298.91
  6. Step 6: Final answer
    x = 329,990.98

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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.