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Finding the Fourth Proportional to 714,308.82, 1,071,763.82 and 444,662.66

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Solution

The fourth proportional to 714,308.82, 1,071,763.82 and 444,662.66 is: 667,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,308.82 : 1,071,763.82 = 444,662.66 : x
  2. Step 2: Convert to fraction form
    714,308.82/1,071,763.82 = 444,662.66/x
  3. Step 3: Cross multiply
    714,308.82x = 1,071,763.82 × 444,662.66
  4. Step 4: Simplify right side
    714,308.82x = 476,573,345,734.14
  5. Step 5: Solve for x
    x = 476,573,345,734.14/714,308.82
  6. Step 6: Final answer
    x = 667,181.10

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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.