Home / 428,878.35-591,923.10-237,953.25

Finding the Fourth Proportional to 428,878.35, 591,923.10 and 237,953.25

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Solution

The fourth proportional to 428,878.35, 591,923.10 and 237,953.25 is: 328,414.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,878.35 : 591,923.10 = 237,953.25 : x
  2. Step 2: Convert to fraction form
    428,878.35/591,923.10 = 237,953.25/x
  3. Step 3: Cross multiply
    428,878.35x = 591,923.10 × 237,953.25
  4. Step 4: Simplify right side
    428,878.35x = 140,850,022,435.46
  5. Step 5: Solve for x
    x = 140,850,022,435.46/428,878.35
  6. Step 6: Final answer
    x = 328,414.86

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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.