Home / 548,618.47-822,983.09-206,976.20

Finding the Fourth Proportional to 548,618.47, 822,983.09 and 206,976.20

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Solution

The fourth proportional to 548,618.47, 822,983.09 and 206,976.20 is: 310,485.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,618.47 : 822,983.09 = 206,976.20 : x
  2. Step 2: Convert to fraction form
    548,618.47/822,983.09 = 206,976.20/x
  3. Step 3: Cross multiply
    548,618.47x = 822,983.09 × 206,976.20
  4. Step 4: Simplify right side
    548,618.47x = 170,337,907,482.66
  5. Step 5: Solve for x
    x = 170,337,907,482.66/548,618.47
  6. Step 6: Final answer
    x = 310,485.19

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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.