Home / 910,822.60-1,366,233.90-279,654.40

Finding the Fourth Proportional to 910,822.60, 1,366,233.90 and 279,654.40

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Solution

The fourth proportional to 910,822.60, 1,366,233.90 and 279,654.40 is: 419,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,822.60 : 1,366,233.90 = 279,654.40 : x
  2. Step 2: Convert to fraction form
    910,822.60/1,366,233.90 = 279,654.40/x
  3. Step 3: Cross multiply
    910,822.60x = 1,366,233.90 × 279,654.40
  4. Step 4: Simplify right side
    910,822.60x = 382,073,321,564.16
  5. Step 5: Solve for x
    x = 382,073,321,564.16/910,822.60
  6. Step 6: Final answer
    x = 419,481.60

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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.