Home / 548,480.18-822,823.26-248,981.78

Finding the Fourth Proportional to 548,480.18, 822,823.26 and 248,981.78

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Solution

The fourth proportional to 548,480.18, 822,823.26 and 248,981.78 is: 373,519.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,480.18 : 822,823.26 = 248,981.78 : x
  2. Step 2: Convert to fraction form
    548,480.18/822,823.26 = 248,981.78/x
  3. Step 3: Cross multiply
    548,480.18x = 822,823.26 × 248,981.78
  4. Step 4: Simplify right side
    548,480.18x = 204,867,999,900.20
  5. Step 5: Solve for x
    x = 204,867,999,900.20/548,480.18
  6. Step 6: Final answer
    x = 373,519.42

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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.