Home / 428,039.91-590,701.26-246,748.54

Finding the Fourth Proportional to 428,039.91, 590,701.26 and 246,748.54

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Solution

The fourth proportional to 428,039.91, 590,701.26 and 246,748.54 is: 340,516.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,039.91 : 590,701.26 = 246,748.54 : x
  2. Step 2: Convert to fraction form
    428,039.91/590,701.26 = 246,748.54/x
  3. Step 3: Cross multiply
    428,039.91x = 590,701.26 × 246,748.54
  4. Step 4: Simplify right side
    428,039.91x = 145,754,673,481.16
  5. Step 5: Solve for x
    x = 145,754,673,481.16/428,039.91
  6. Step 6: Final answer
    x = 340,516.55

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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.