Home / 428,510.60-591,350.58-234,936.52

Finding the Fourth Proportional to 428,510.60, 591,350.58 and 234,936.52

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Solution

The fourth proportional to 428,510.60, 591,350.58 and 234,936.52 is: 324,215.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,510.60 : 591,350.58 = 234,936.52 : x
  2. Step 2: Convert to fraction form
    428,510.60/591,350.58 = 234,936.52/x
  3. Step 3: Cross multiply
    428,510.60x = 591,350.58 × 234,936.52
  4. Step 4: Simplify right side
    428,510.60x = 138,929,847,365.18
  5. Step 5: Solve for x
    x = 138,929,847,365.18/428,510.60
  6. Step 6: Final answer
    x = 324,215.66

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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.