Home / 428,211.12-590,693.28-337,231.92

Finding the Fourth Proportional to 428,211.12, 590,693.28 and 337,231.92

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Solution

The fourth proportional to 428,211.12, 590,693.28 and 337,231.92 is: 465,192.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,211.12 : 590,693.28 = 337,231.92 : x
  2. Step 2: Convert to fraction form
    428,211.12/590,693.28 = 337,231.92/x
  3. Step 3: Cross multiply
    428,211.12x = 590,693.28 × 337,231.92
  4. Step 4: Simplify right side
    428,211.12x = 199,200,628,945.50
  5. Step 5: Solve for x
    x = 199,200,628,945.50/428,211.12
  6. Step 6: Final answer
    x = 465,192.56

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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.