Home / 428,869.92-591,843.36-237,886.56

Finding the Fourth Proportional to 428,869.92, 591,843.36 and 237,886.56

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Solution

The fourth proportional to 428,869.92, 591,843.36 and 237,886.56 is: 328,285.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,869.92 : 591,843.36 = 237,886.56 : x
  2. Step 2: Convert to fraction form
    428,869.92/591,843.36 = 237,886.56/x
  3. Step 3: Cross multiply
    428,869.92x = 591,843.36 × 237,886.56
  4. Step 4: Simplify right side
    428,869.92x = 140,791,580,969.24
  5. Step 5: Solve for x
    x = 140,791,580,969.24/428,869.92
  6. Step 6: Final answer
    x = 328,285.04

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1.5x scale

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.