Home / 876,355.92-1,209,382.92-494,381.52

Finding the Fourth Proportional to 876,355.92, 1,209,382.92 and 494,381.52

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Solution

The fourth proportional to 876,355.92, 1,209,382.92 and 494,381.52 is: 682,253.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,355.92 : 1,209,382.92 = 494,381.52 : x
  2. Step 2: Convert to fraction form
    876,355.92/1,209,382.92 = 494,381.52/x
  3. Step 3: Cross multiply
    876,355.92x = 1,209,382.92 × 494,381.52
  4. Step 4: Simplify right side
    876,355.92x = 597,896,566,251.64
  5. Step 5: Solve for x
    x = 597,896,566,251.64/876,355.92
  6. Step 6: Final answer
    x = 682,253.13

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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.