Home / 727,642.20-1,091,626.92-222,160.89

Finding the Fourth Proportional to 727,642.20, 1,091,626.92 and 222,160.89

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Solution

The fourth proportional to 727,642.20, 1,091,626.92 and 222,160.89 is: 333,291.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,642.20 : 1,091,626.92 = 222,160.89 : x
  2. Step 2: Convert to fraction form
    727,642.20/1,091,626.92 = 222,160.89/x
  3. Step 3: Cross multiply
    727,642.20x = 1,091,626.92 × 222,160.89
  4. Step 4: Simplify right side
    727,642.20x = 242,516,808,095.16
  5. Step 5: Solve for x
    x = 242,516,808,095.16/727,642.20
  6. Step 6: Final answer
    x = 333,291.29

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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.