Home / 868,187.52-1,304,277.44-612,608.48

Finding the Fourth Proportional to 868,187.52, 1,304,277.44 and 612,608.48

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Solution

The fourth proportional to 868,187.52, 1,304,277.44 and 612,608.48 is: 920,321.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,187.52 : 1,304,277.44 = 612,608.48 : x
  2. Step 2: Convert to fraction form
    868,187.52/1,304,277.44 = 612,608.48/x
  3. Step 3: Cross multiply
    868,187.52x = 1,304,277.44 × 612,608.48
  4. Step 4: Simplify right side
    868,187.52x = 799,011,420,016.69
  5. Step 5: Solve for x
    x = 799,011,420,016.69/868,187.52
  6. Step 6: Final answer
    x = 920,321.25

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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.