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Finding the Fourth Proportional to 652,044.80, 978,358.80 and 231,622.40

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Solution

The fourth proportional to 652,044.80, 978,358.80 and 231,622.40 is: 347,537.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,044.80 : 978,358.80 = 231,622.40 : x
  2. Step 2: Convert to fraction form
    652,044.80/978,358.80 = 231,622.40/x
  3. Step 3: Cross multiply
    652,044.80x = 978,358.80 × 231,622.40
  4. Step 4: Simplify right side
    652,044.80x = 226,609,813,317.12
  5. Step 5: Solve for x
    x = 226,609,813,317.12/652,044.80
  6. Step 6: Final answer
    x = 347,537.18

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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.