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Finding the Fourth Proportional to 550,652.60, 759,912.28 and 308,952.65

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Solution

The fourth proportional to 550,652.60, 759,912.28 and 308,952.65 is: 426,361.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,652.60 : 759,912.28 = 308,952.65 : x
  2. Step 2: Convert to fraction form
    550,652.60/759,912.28 = 308,952.65/x
  3. Step 3: Cross multiply
    550,652.60x = 759,912.28 × 308,952.65
  4. Step 4: Simplify right side
    550,652.60x = 234,776,912,673.54
  5. Step 5: Solve for x
    x = 234,776,912,673.54/550,652.60
  6. Step 6: Final answer
    x = 426,361.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.