Home / 817,062.30-1,127,578.05-494,589.96

Finding the Fourth Proportional to 817,062.30, 1,127,578.05 and 494,589.96

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Solution

The fourth proportional to 817,062.30, 1,127,578.05 and 494,589.96 is: 682,553.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,062.30 : 1,127,578.05 = 494,589.96 : x
  2. Step 2: Convert to fraction form
    817,062.30/1,127,578.05 = 494,589.96/x
  3. Step 3: Cross multiply
    817,062.30x = 1,127,578.05 × 494,589.96
  4. Step 4: Simplify right side
    817,062.30x = 557,688,782,646.38
  5. Step 5: Solve for x
    x = 557,688,782,646.38/817,062.30
  6. Step 6: Final answer
    x = 682,553.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.