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Finding the Fourth Proportional to 652,395.90, 978,642.45 and 231,617.10

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Solution

The fourth proportional to 652,395.90, 978,642.45 and 231,617.10 is: 347,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,395.90 : 978,642.45 = 231,617.10 : x
  2. Step 2: Convert to fraction form
    652,395.90/978,642.45 = 231,617.10/x
  3. Step 3: Cross multiply
    652,395.90x = 978,642.45 × 231,617.10
  4. Step 4: Simplify right side
    652,395.90x = 226,670,326,205.90
  5. Step 5: Solve for x
    x = 226,670,326,205.90/652,395.90
  6. Step 6: Final answer
    x = 347,442.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.