Home / 428,594.85-591,468.08-234,998.55

Finding the Fourth Proportional to 428,594.85, 591,468.08 and 234,998.55

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Solution

The fourth proportional to 428,594.85, 591,468.08 and 234,998.55 is: 324,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,594.85 : 591,468.08 = 234,998.55 : x
  2. Step 2: Convert to fraction form
    428,594.85/591,468.08 = 234,998.55/x
  3. Step 3: Cross multiply
    428,594.85x = 591,468.08 × 234,998.55
  4. Step 4: Simplify right side
    428,594.85x = 138,994,139,996.29
  5. Step 5: Solve for x
    x = 138,994,139,996.29/428,594.85
  6. Step 6: Final answer
    x = 324,301.94

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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.