Home / 727,905.20-1,091,663.40-222,465.20

Finding the Fourth Proportional to 727,905.20, 1,091,663.40 and 222,465.20

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Solution

The fourth proportional to 727,905.20, 1,091,663.40 and 222,465.20 is: 333,638.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,905.20 : 1,091,663.40 = 222,465.20 : x
  2. Step 2: Convert to fraction form
    727,905.20/1,091,663.40 = 222,465.20/x
  3. Step 3: Cross multiply
    727,905.20x = 1,091,663.40 × 222,465.20
  4. Step 4: Simplify right side
    727,905.20x = 242,857,116,613.68
  5. Step 5: Solve for x
    x = 242,857,116,613.68/727,905.20
  6. Step 6: Final answer
    x = 333,638.39

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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.