Home / 428,791.14-591,637.13-247,464.54

Finding the Fourth Proportional to 428,791.14, 591,637.13 and 247,464.54

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Solution

The fourth proportional to 428,791.14, 591,637.13 and 247,464.54 is: 341,446.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,791.14 : 591,637.13 = 247,464.54 : x
  2. Step 2: Convert to fraction form
    428,791.14/591,637.13 = 247,464.54/x
  3. Step 3: Cross multiply
    428,791.14x = 591,637.13 × 247,464.54
  4. Step 4: Simplify right side
    428,791.14x = 146,409,209,913.04
  5. Step 5: Solve for x
    x = 146,409,209,913.04/428,791.14
  6. Step 6: Final answer
    x = 341,446.44

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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.