Home / 850,614.80-1,275,922.20-771,882.80

Finding the Fourth Proportional to 850,614.80, 1,275,922.20 and 771,882.80

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Solution

The fourth proportional to 850,614.80, 1,275,922.20 and 771,882.80 is: 1,157,824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,614.80 : 1,275,922.20 = 771,882.80 : x
  2. Step 2: Convert to fraction form
    850,614.80/1,275,922.20 = 771,882.80/x
  3. Step 3: Cross multiply
    850,614.80x = 1,275,922.20 × 771,882.80
  4. Step 4: Simplify right side
    850,614.80x = 984,862,400,318.16
  5. Step 5: Solve for x
    x = 984,862,400,318.16/850,614.80
  6. Step 6: Final answer
    x = 1,157,824.20

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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.