Home / 680,867.28-1,021,454.07-207,600.48

Finding the Fourth Proportional to 680,867.28, 1,021,454.07 and 207,600.48

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Solution

The fourth proportional to 680,867.28, 1,021,454.07 and 207,600.48 is: 311,447.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,867.28 : 1,021,454.07 = 207,600.48 : x
  2. Step 2: Convert to fraction form
    680,867.28/1,021,454.07 = 207,600.48/x
  3. Step 3: Cross multiply
    680,867.28x = 1,021,454.07 × 207,600.48
  4. Step 4: Simplify right side
    680,867.28x = 212,054,355,229.95
  5. Step 5: Solve for x
    x = 212,054,355,229.95/680,867.28
  6. Step 6: Final answer
    x = 311,447.42

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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.