Home / 669,275.22-1,003,535.55-219,875.43

Finding the Fourth Proportional to 669,275.22, 1,003,535.55 and 219,875.43

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Solution

The fourth proportional to 669,275.22, 1,003,535.55 and 219,875.43 is: 329,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,275.22 : 1,003,535.55 = 219,875.43 : x
  2. Step 2: Convert to fraction form
    669,275.22/1,003,535.55 = 219,875.43/x
  3. Step 3: Cross multiply
    669,275.22x = 1,003,535.55 × 219,875.43
  4. Step 4: Simplify right side
    669,275.22x = 220,652,810,576.54
  5. Step 5: Solve for x
    x = 220,652,810,576.54/669,275.22
  6. Step 6: Final answer
    x = 329,689.20

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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.