Home / 547,282.20-819,368.10-485,074.20

Finding the Fourth Proportional to 547,282.20, 819,368.10 and 485,074.20

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Solution

The fourth proportional to 547,282.20, 819,368.10 and 485,074.20 is: 726,232.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,282.20 : 819,368.10 = 485,074.20 : x
  2. Step 2: Convert to fraction form
    547,282.20/819,368.10 = 485,074.20/x
  3. Step 3: Cross multiply
    547,282.20x = 819,368.10 × 485,074.20
  4. Step 4: Simplify right side
    547,282.20x = 397,454,325,613.02
  5. Step 5: Solve for x
    x = 397,454,325,613.02/547,282.20
  6. Step 6: Final answer
    x = 726,232.88

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1.5x scale

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.