Home / 918,654.97-1,378,262.44-469,691.06

Finding the Fourth Proportional to 918,654.97, 1,378,262.44 and 469,691.06

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Solution

The fourth proportional to 918,654.97, 1,378,262.44 and 469,691.06 is: 704,679.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,654.97 : 1,378,262.44 = 469,691.06 : x
  2. Step 2: Convert to fraction form
    918,654.97/1,378,262.44 = 469,691.06/x
  3. Step 3: Cross multiply
    918,654.97x = 1,378,262.44 × 469,691.06
  4. Step 4: Simplify right side
    918,654.97x = 647,357,537,455.58
  5. Step 5: Solve for x
    x = 647,357,537,455.58/918,654.97
  6. Step 6: Final answer
    x = 704,679.73

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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.