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Finding the Fourth Proportional to 652,700.62, 978,811.72 and 226,126.27

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Solution

The fourth proportional to 652,700.62, 978,811.72 and 226,126.27 is: 339,106.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,700.62 : 978,811.72 = 226,126.27 : x
  2. Step 2: Convert to fraction form
    652,700.62/978,811.72 = 226,126.27/x
  3. Step 3: Cross multiply
    652,700.62x = 978,811.72 × 226,126.27
  4. Step 4: Simplify right side
    652,700.62x = 221,335,043,275.88
  5. Step 5: Solve for x
    x = 221,335,043,275.88/652,700.62
  6. Step 6: Final answer
    x = 339,106.53

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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.