Home / 428,797.20-591,736.05-235,200.93

Finding the Fourth Proportional to 428,797.20, 591,736.05 and 235,200.93

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Solution

The fourth proportional to 428,797.20, 591,736.05 and 235,200.93 is: 324,575.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,797.20 : 591,736.05 = 235,200.93 : x
  2. Step 2: Convert to fraction form
    428,797.20/591,736.05 = 235,200.93/x
  3. Step 3: Cross multiply
    428,797.20x = 591,736.05 × 235,200.93
  4. Step 4: Simplify right side
    428,797.20x = 139,176,869,274.53
  5. Step 5: Solve for x
    x = 139,176,869,274.53/428,797.20
  6. Step 6: Final answer
    x = 324,575.04

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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.