Home / 428,479.86-591,321.60-244,734.54

Finding the Fourth Proportional to 428,479.86, 591,321.60 and 244,734.54

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Solution

The fourth proportional to 428,479.86, 591,321.60 and 244,734.54 is: 337,744.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,479.86 : 591,321.60 = 244,734.54 : x
  2. Step 2: Convert to fraction form
    428,479.86/591,321.60 = 244,734.54/x
  3. Step 3: Cross multiply
    428,479.86x = 591,321.60 × 244,734.54
  4. Step 4: Simplify right side
    428,479.86x = 144,716,819,768.06
  5. Step 5: Solve for x
    x = 144,716,819,768.06/428,479.86
  6. Step 6: Final answer
    x = 337,744.74

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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.