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Finding the Fourth Proportional to 585,517.32, 877,598.28 and 269,310.60

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Solution

The fourth proportional to 585,517.32, 877,598.28 and 269,310.60 is: 403,654.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,517.32 : 877,598.28 = 269,310.60 : x
  2. Step 2: Convert to fraction form
    585,517.32/877,598.28 = 269,310.60/x
  3. Step 3: Cross multiply
    585,517.32x = 877,598.28 × 269,310.60
  4. Step 4: Simplify right side
    585,517.32x = 236,346,519,345.77
  5. Step 5: Solve for x
    x = 236,346,519,345.77/585,517.32
  6. Step 6: Final answer
    x = 403,654.19

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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.