Home / 428,449.57-591,267.78-234,844.36

Finding the Fourth Proportional to 428,449.57, 591,267.78 and 234,844.36

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Solution

The fourth proportional to 428,449.57, 591,267.78 and 234,844.36 is: 324,089.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,449.57 : 591,267.78 = 234,844.36 : x
  2. Step 2: Convert to fraction form
    428,449.57/591,267.78 = 234,844.36/x
  3. Step 3: Cross multiply
    428,449.57x = 591,267.78 × 234,844.36
  4. Step 4: Simplify right side
    428,449.57x = 138,855,901,904.55
  5. Step 5: Solve for x
    x = 138,855,901,904.55/428,449.57
  6. Step 6: Final answer
    x = 324,089.26

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1.5x scale

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.