Home / 428,316.31-591,067.69-237,328.03

Finding the Fourth Proportional to 428,316.31, 591,067.69 and 237,328.03

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Solution

The fourth proportional to 428,316.31, 591,067.69 and 237,328.03 is: 327,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,316.31 : 591,067.69 = 237,328.03 : x
  2. Step 2: Convert to fraction form
    428,316.31/591,067.69 = 237,328.03/x
  3. Step 3: Cross multiply
    428,316.31x = 591,067.69 × 237,328.03
  4. Step 4: Simplify right side
    428,316.31x = 140,276,930,464.35
  5. Step 5: Solve for x
    x = 140,276,930,464.35/428,316.31
  6. Step 6: Final answer
    x = 327,507.80

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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.