Home / 782,110.04-1,079,334.60-442,571

Finding the Fourth Proportional to 782,110.04, 1,079,334.60 and 442,571

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Solution

The fourth proportional to 782,110.04, 1,079,334.60 and 442,571 is: 610,760.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,110.04 : 1,079,334.60 = 442,571 : x
  2. Step 2: Convert to fraction form
    782,110.04/1,079,334.60 = 442,571/x
  3. Step 3: Cross multiply
    782,110.04x = 1,079,334.60 × 442,571
  4. Step 4: Simplify right side
    782,110.04x = 477,682,193,256.60
  5. Step 5: Solve for x
    x = 477,682,193,256.60/782,110.04
  6. Step 6: Final answer
    x = 610,760.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.