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Finding the Fourth Proportional to 656,475, 984,712.80 and 207,241.44

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Solution

The fourth proportional to 656,475, 984,712.80 and 207,241.44 is: 310,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,475 : 984,712.80 = 207,241.44 : x
  2. Step 2: Convert to fraction form
    656,475/984,712.80 = 207,241.44/x
  3. Step 3: Cross multiply
    656,475x = 984,712.80 × 207,241.44
  4. Step 4: Simplify right side
    656,475x = 204,073,298,658.43
  5. Step 5: Solve for x
    x = 204,073,298,658.43/656,475
  6. Step 6: Final answer
    x = 310,862.25

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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.