Home / 680,865.77-1,021,451.81-207,598.97

Finding the Fourth Proportional to 680,865.77, 1,021,451.81 and 207,598.97

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Solution

The fourth proportional to 680,865.77, 1,021,451.81 and 207,598.97 is: 311,445.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,865.77 : 1,021,451.81 = 207,598.97 : x
  2. Step 2: Convert to fraction form
    680,865.77/1,021,451.81 = 207,598.97/x
  3. Step 3: Cross multiply
    680,865.77x = 1,021,451.81 × 207,598.97
  4. Step 4: Simplify right side
    680,865.77x = 212,052,337,515.38
  5. Step 5: Solve for x
    x = 212,052,337,515.38/680,865.77
  6. Step 6: Final answer
    x = 311,445.15

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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.