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Finding the Fourth Proportional to 543,844.60, 750,173 and 322,932.18

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Solution

The fourth proportional to 543,844.60, 750,173 and 322,932.18 is: 445,448.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,844.60 : 750,173 = 322,932.18 : x
  2. Step 2: Convert to fraction form
    543,844.60/750,173 = 322,932.18/x
  3. Step 3: Cross multiply
    543,844.60x = 750,173 × 322,932.18
  4. Step 4: Simplify right side
    543,844.60x = 242,255,002,267.14
  5. Step 5: Solve for x
    x = 242,255,002,267.14/543,844.60
  6. Step 6: Final answer
    x = 445,448.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.