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Finding the Fourth Proportional to 652,309.66, 978,773.70 and 315,161.32

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Solution

The fourth proportional to 652,309.66, 978,773.70 and 315,161.32 is: 472,891.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,309.66 : 978,773.70 = 315,161.32 : x
  2. Step 2: Convert to fraction form
    652,309.66/978,773.70 = 315,161.32/x
  3. Step 3: Cross multiply
    652,309.66x = 978,773.70 × 315,161.32
  4. Step 4: Simplify right side
    652,309.66x = 308,471,611,273.28
  5. Step 5: Solve for x
    x = 308,471,611,273.28/652,309.66
  6. Step 6: Final answer
    x = 472,891.37

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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.