Home / 427,472.68-589,475.46-284,256.04

Finding the Fourth Proportional to 427,472.68, 589,475.46 and 284,256.04

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Solution

The fourth proportional to 427,472.68, 589,475.46 and 284,256.04 is: 391,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,472.68 : 589,475.46 = 284,256.04 : x
  2. Step 2: Convert to fraction form
    427,472.68/589,475.46 = 284,256.04/x
  3. Step 3: Cross multiply
    427,472.68x = 589,475.46 × 284,256.04
  4. Step 4: Simplify right side
    427,472.68x = 167,561,959,936.78
  5. Step 5: Solve for x
    x = 167,561,959,936.78/427,472.68
  6. Step 6: Final answer
    x = 391,982.85

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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.