Home / 428,321.39-591,008.60-244,476.02

Finding the Fourth Proportional to 428,321.39, 591,008.60 and 244,476.02

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Solution

The fourth proportional to 428,321.39, 591,008.60 and 244,476.02 is: 337,334.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,321.39 : 591,008.60 = 244,476.02 : x
  2. Step 2: Convert to fraction form
    428,321.39/591,008.60 = 244,476.02/x
  3. Step 3: Cross multiply
    428,321.39x = 591,008.60 × 244,476.02
  4. Step 4: Simplify right side
    428,321.39x = 144,487,430,313.77
  5. Step 5: Solve for x
    x = 144,487,430,313.77/428,321.39
  6. Step 6: Final answer
    x = 337,334.15

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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.