Home / 494,412.32-741,839.60-228,030.40

Finding the Fourth Proportional to 494,412.32, 741,839.60 and 228,030.40

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Solution

The fourth proportional to 494,412.32, 741,839.60 and 228,030.40 is: 342,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,412.32 : 741,839.60 = 228,030.40 : x
  2. Step 2: Convert to fraction form
    494,412.32/741,839.60 = 228,030.40/x
  3. Step 3: Cross multiply
    494,412.32x = 741,839.60 × 228,030.40
  4. Step 4: Simplify right side
    494,412.32x = 169,161,980,723.84
  5. Step 5: Solve for x
    x = 169,161,980,723.84/494,412.32
  6. Step 6: Final answer
    x = 342,147.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.