Home / 428,635.39-591,550.28-237,685.99

Finding the Fourth Proportional to 428,635.39, 591,550.28 and 237,685.99

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Solution

The fourth proportional to 428,635.39, 591,550.28 and 237,685.99 is: 328,025.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,635.39 : 591,550.28 = 237,685.99 : x
  2. Step 2: Convert to fraction form
    428,635.39/591,550.28 = 237,685.99/x
  3. Step 3: Cross multiply
    428,635.39x = 591,550.28 × 237,685.99
  4. Step 4: Simplify right side
    428,635.39x = 140,603,213,936.58
  5. Step 5: Solve for x
    x = 140,603,213,936.58/428,635.39
  6. Step 6: Final answer
    x = 328,025.21

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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.