Home / 745,262.45-1,117,912.05-271,947.66

Finding the Fourth Proportional to 745,262.45, 1,117,912.05 and 271,947.66

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Solution

The fourth proportional to 745,262.45, 1,117,912.05 and 271,947.66 is: 407,928.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,262.45 : 1,117,912.05 = 271,947.66 : x
  2. Step 2: Convert to fraction form
    745,262.45/1,117,912.05 = 271,947.66/x
  3. Step 3: Cross multiply
    745,262.45x = 1,117,912.05 × 271,947.66
  4. Step 4: Simplify right side
    745,262.45x = 304,013,561,891.13
  5. Step 5: Solve for x
    x = 304,013,561,891.13/745,262.45
  6. Step 6: Final answer
    x = 407,928.19

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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.