Home / 428,428.02-591,226.98-234,846.50

Finding the Fourth Proportional to 428,428.02, 591,226.98 and 234,846.50

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Solution

The fourth proportional to 428,428.02, 591,226.98 and 234,846.50 is: 324,086.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,428.02 : 591,226.98 = 234,846.50 : x
  2. Step 2: Convert to fraction form
    428,428.02/591,226.98 = 234,846.50/x
  3. Step 3: Cross multiply
    428,428.02x = 591,226.98 × 234,846.50
  4. Step 4: Simplify right side
    428,428.02x = 138,847,584,002.44
  5. Step 5: Solve for x
    x = 138,847,584,002.44/428,428.02
  6. Step 6: Final answer
    x = 324,086.14

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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.