Home / 428,842.98-591,318.36-273,587.04

Finding the Fourth Proportional to 428,842.98, 591,318.36 and 273,587.04

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Solution

The fourth proportional to 428,842.98, 591,318.36 and 273,587.04 is: 377,240.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,842.98 : 591,318.36 = 273,587.04 : x
  2. Step 2: Convert to fraction form
    428,842.98/591,318.36 = 273,587.04/x
  3. Step 3: Cross multiply
    428,842.98x = 591,318.36 × 273,587.04
  4. Step 4: Simplify right side
    428,842.98x = 161,777,039,810.05
  5. Step 5: Solve for x
    x = 161,777,039,810.05/428,842.98
  6. Step 6: Final answer
    x = 377,240.73

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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.