Home / 888,087.20-1,225,589.48-485,679.20

Finding the Fourth Proportional to 888,087.20, 1,225,589.48 and 485,679.20

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Solution

The fourth proportional to 888,087.20, 1,225,589.48 and 485,679.20 is: 670,253.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,087.20 : 1,225,589.48 = 485,679.20 : x
  2. Step 2: Convert to fraction form
    888,087.20/1,225,589.48 = 485,679.20/x
  3. Step 3: Cross multiply
    888,087.20x = 1,225,589.48 × 485,679.20
  4. Step 4: Simplify right side
    888,087.20x = 595,243,309,618.47
  5. Step 5: Solve for x
    x = 595,243,309,618.47/888,087.20
  6. Step 6: Final answer
    x = 670,253.23

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1.5x scale

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.