Home / 680,996.16-1,021,708.08-281,824.92

Finding the Fourth Proportional to 680,996.16, 1,021,708.08 and 281,824.92

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Solution

The fourth proportional to 680,996.16, 1,021,708.08 and 281,824.92 is: 422,825.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,996.16 : 1,021,708.08 = 281,824.92 : x
  2. Step 2: Convert to fraction form
    680,996.16/1,021,708.08 = 281,824.92/x
  3. Step 3: Cross multiply
    680,996.16x = 1,021,708.08 × 281,824.92
  4. Step 4: Simplify right side
    680,996.16x = 287,942,797,909.35
  5. Step 5: Solve for x
    x = 287,942,797,909.35/680,996.16
  6. Step 6: Final answer
    x = 422,825.88

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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.