Home / 876,356.42-1,209,383.61-494,382.02

Finding the Fourth Proportional to 876,356.42, 1,209,383.61 and 494,382.02

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Solution

The fourth proportional to 876,356.42, 1,209,383.61 and 494,382.02 is: 682,253.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,356.42 : 1,209,383.61 = 494,382.02 : x
  2. Step 2: Convert to fraction form
    876,356.42/1,209,383.61 = 494,382.02/x
  3. Step 3: Cross multiply
    876,356.42x = 1,209,383.61 × 494,382.02
  4. Step 4: Simplify right side
    876,356.42x = 597,897,512,066.69
  5. Step 5: Solve for x
    x = 597,897,512,066.69/876,356.42
  6. Step 6: Final answer
    x = 682,253.82

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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.