Home / 428,795.10-591,773.58-237,870

Finding the Fourth Proportional to 428,795.10, 591,773.58 and 237,870

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Solution

The fourth proportional to 428,795.10, 591,773.58 and 237,870 is: 328,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,795.10 : 591,773.58 = 237,870 : x
  2. Step 2: Convert to fraction form
    428,795.10/591,773.58 = 237,870/x
  3. Step 3: Cross multiply
    428,795.10x = 591,773.58 × 237,870
  4. Step 4: Simplify right side
    428,795.10x = 140,765,181,474.60
  5. Step 5: Solve for x
    x = 140,765,181,474.60/428,795.10
  6. Step 6: Final answer
    x = 328,280.76

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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.