Home / 417,961.43-576,963.34-282,179.30

Finding the Fourth Proportional to 417,961.43, 576,963.34 and 282,179.30

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Solution

The fourth proportional to 417,961.43, 576,963.34 and 282,179.30 is: 389,526.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,961.43 : 576,963.34 = 282,179.30 : x
  2. Step 2: Convert to fraction form
    417,961.43/576,963.34 = 282,179.30/x
  3. Step 3: Cross multiply
    417,961.43x = 576,963.34 × 282,179.30
  4. Step 4: Simplify right side
    417,961.43x = 162,807,107,816.60
  5. Step 5: Solve for x
    x = 162,807,107,816.60/417,961.43
  6. Step 6: Final answer
    x = 389,526.63

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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.