Home / 548,836.30-822,781.32-212,113.18

Finding the Fourth Proportional to 548,836.30, 822,781.32 and 212,113.18

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Solution

The fourth proportional to 548,836.30, 822,781.32 and 212,113.18 is: 317,986.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,836.30 : 822,781.32 = 212,113.18 : x
  2. Step 2: Convert to fraction form
    548,836.30/822,781.32 = 212,113.18/x
  3. Step 3: Cross multiply
    548,836.30x = 822,781.32 × 212,113.18
  4. Step 4: Simplify right side
    548,836.30x = 174,522,762,229.80
  5. Step 5: Solve for x
    x = 174,522,762,229.80/548,836.30
  6. Step 6: Final answer
    x = 317,986.92

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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.