Home / 428,588.52-591,447.42-247,298.28

Finding the Fourth Proportional to 428,588.52, 591,447.42 and 247,298.28

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Solution

The fourth proportional to 428,588.52, 591,447.42 and 247,298.28 is: 341,268.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,588.52 : 591,447.42 = 247,298.28 : x
  2. Step 2: Convert to fraction form
    428,588.52/591,447.42 = 247,298.28/x
  3. Step 3: Cross multiply
    428,588.52x = 591,447.42 × 247,298.28
  4. Step 4: Simplify right side
    428,588.52x = 146,263,929,676.44
  5. Step 5: Solve for x
    x = 146,263,929,676.44/428,588.52
  6. Step 6: Final answer
    x = 341,268.89

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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.