Home / 725,171.24-1,087,383.35-325,469.36

Finding the Fourth Proportional to 725,171.24, 1,087,383.35 and 325,469.36

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Solution

The fourth proportional to 725,171.24, 1,087,383.35 and 325,469.36 is: 488,036.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,171.24 : 1,087,383.35 = 325,469.36 : x
  2. Step 2: Convert to fraction form
    725,171.24/1,087,383.35 = 325,469.36/x
  3. Step 3: Cross multiply
    725,171.24x = 1,087,383.35 × 325,469.36
  4. Step 4: Simplify right side
    725,171.24x = 353,909,962,999.16
  5. Step 5: Solve for x
    x = 353,909,962,999.16/725,171.24
  6. Step 6: Final answer
    x = 488,036.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.