Home / 428,898.46-591,868.44-247,604.26

Finding the Fourth Proportional to 428,898.46, 591,868.44 and 247,604.26

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Solution

The fourth proportional to 428,898.46, 591,868.44 and 247,604.26 is: 341,687.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,898.46 : 591,868.44 = 247,604.26 : x
  2. Step 2: Convert to fraction form
    428,898.46/591,868.44 = 247,604.26/x
  3. Step 3: Cross multiply
    428,898.46x = 591,868.44 × 247,604.26
  4. Step 4: Simplify right side
    428,898.46x = 146,549,147,103.55
  5. Step 5: Solve for x
    x = 146,549,147,103.55/428,898.46
  6. Step 6: Final answer
    x = 341,687.28

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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.