Home / 428,766.44-591,693.66-235,170.20

Finding the Fourth Proportional to 428,766.44, 591,693.66 and 235,170.20

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Solution

The fourth proportional to 428,766.44, 591,693.66 and 235,170.20 is: 324,532.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,766.44 : 591,693.66 = 235,170.20 : x
  2. Step 2: Convert to fraction form
    428,766.44/591,693.66 = 235,170.20/x
  3. Step 3: Cross multiply
    428,766.44x = 591,693.66 × 235,170.20
  4. Step 4: Simplify right side
    428,766.44x = 139,148,717,840.17
  5. Step 5: Solve for x
    x = 139,148,717,840.17/428,766.44
  6. Step 6: Final answer
    x = 324,532.67

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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.