Home / 428,839.74-591,869.70-237,914.64

Finding the Fourth Proportional to 428,839.74, 591,869.70 and 237,914.64

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Solution

The fourth proportional to 428,839.74, 591,869.70 and 237,914.64 is: 328,361.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,839.74 : 591,869.70 = 237,914.64 : x
  2. Step 2: Convert to fraction form
    428,839.74/591,869.70 = 237,914.64/x
  3. Step 3: Cross multiply
    428,839.74x = 591,869.70 × 237,914.64
  4. Step 4: Simplify right side
    428,839.74x = 140,814,466,602.41
  5. Step 5: Solve for x
    x = 140,814,466,602.41/428,839.74
  6. Step 6: Final answer
    x = 328,361.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.