Home / 674,772.08-1,012,141.92-219,362.72

Finding the Fourth Proportional to 674,772.08, 1,012,141.92 and 219,362.72

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Solution

The fourth proportional to 674,772.08, 1,012,141.92 and 219,362.72 is: 329,038.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,772.08 : 1,012,141.92 = 219,362.72 : x
  2. Step 2: Convert to fraction form
    674,772.08/1,012,141.92 = 219,362.72/x
  3. Step 3: Cross multiply
    674,772.08x = 1,012,141.92 × 219,362.72
  4. Step 4: Simplify right side
    674,772.08x = 222,026,204,597.22
  5. Step 5: Solve for x
    x = 222,026,204,597.22/674,772.08
  6. Step 6: Final answer
    x = 329,038.81

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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.