Home / 428,548.39-591,277.09-337,622.18

Finding the Fourth Proportional to 428,548.39, 591,277.09 and 337,622.18

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Solution

The fourth proportional to 428,548.39, 591,277.09 and 337,622.18 is: 465,824.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,548.39 : 591,277.09 = 337,622.18 : x
  2. Step 2: Convert to fraction form
    428,548.39/591,277.09 = 337,622.18/x
  3. Step 3: Cross multiply
    428,548.39x = 591,277.09 × 337,622.18
  4. Step 4: Simplify right side
    428,548.39x = 199,628,258,631.66
  5. Step 5: Solve for x
    x = 199,628,258,631.66/428,548.39
  6. Step 6: Final answer
    x = 465,824.31

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1.5x scale

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.