Home / 417,963.31-576,965.92-282,181.16

Finding the Fourth Proportional to 417,963.31, 576,965.92 and 282,181.16

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Solution

The fourth proportional to 417,963.31, 576,965.92 and 282,181.16 is: 389,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,963.31 : 576,965.92 = 282,181.16 : x
  2. Step 2: Convert to fraction form
    417,963.31/576,965.92 = 282,181.16/x
  3. Step 3: Cross multiply
    417,963.31x = 576,965.92 × 282,181.16
  4. Step 4: Simplify right side
    417,963.31x = 162,808,912,586.07
  5. Step 5: Solve for x
    x = 162,808,912,586.07/417,963.31
  6. Step 6: Final answer
    x = 389,529.20

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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.