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Finding the Fourth Proportional to 652,321.53, 978,247.79 and 225,741.52

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Solution

The fourth proportional to 652,321.53, 978,247.79 and 225,741.52 is: 338,531.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,321.53 : 978,247.79 = 225,741.52 : x
  2. Step 2: Convert to fraction form
    652,321.53/978,247.79 = 225,741.52/x
  3. Step 3: Cross multiply
    652,321.53x = 978,247.79 × 225,741.52
  4. Step 4: Simplify right side
    652,321.53x = 220,831,143,905.91
  5. Step 5: Solve for x
    x = 220,831,143,905.91/652,321.53
  6. Step 6: Final answer
    x = 338,531.13

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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.