Home / 681,443.28-1,021,034.96-414,396

Finding the Fourth Proportional to 681,443.28, 1,021,034.96 and 414,396

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Solution

The fourth proportional to 681,443.28, 1,021,034.96 and 414,396 is: 620,906.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,443.28 : 1,021,034.96 = 414,396 : x
  2. Step 2: Convert to fraction form
    681,443.28/1,021,034.96 = 414,396/x
  3. Step 3: Cross multiply
    681,443.28x = 1,021,034.96 × 414,396
  4. Step 4: Simplify right side
    681,443.28x = 423,112,803,284.16
  5. Step 5: Solve for x
    x = 423,112,803,284.16/681,443.28
  6. Step 6: Final answer
    x = 620,906.85

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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.