Home / 814,980.30-1,222,470.45-216,033.90

Finding the Fourth Proportional to 814,980.30, 1,222,470.45 and 216,033.90

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Solution

The fourth proportional to 814,980.30, 1,222,470.45 and 216,033.90 is: 324,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,980.30 : 1,222,470.45 = 216,033.90 : x
  2. Step 2: Convert to fraction form
    814,980.30/1,222,470.45 = 216,033.90/x
  3. Step 3: Cross multiply
    814,980.30x = 1,222,470.45 × 216,033.90
  4. Step 4: Simplify right side
    814,980.30x = 264,095,058,948.26
  5. Step 5: Solve for x
    x = 264,095,058,948.26/814,980.30
  6. Step 6: Final answer
    x = 324,050.85

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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.