Home / 428,801.92-591,731.60-237,832.96

Finding the Fourth Proportional to 428,801.92, 591,731.60 and 237,832.96

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Solution

The fourth proportional to 428,801.92, 591,731.60 and 237,832.96 is: 328,201.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,801.92 : 591,731.60 = 237,832.96 : x
  2. Step 2: Convert to fraction form
    428,801.92/591,731.60 = 237,832.96/x
  3. Step 3: Cross multiply
    428,801.92x = 591,731.60 × 237,832.96
  4. Step 4: Simplify right side
    428,801.92x = 140,733,277,953.54
  5. Step 5: Solve for x
    x = 140,733,277,953.54/428,801.92
  6. Step 6: Final answer
    x = 328,201.14

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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.