Home / 494,397-741,155.70-178,783.80

Finding the Fourth Proportional to 494,397, 741,155.70 and 178,783.80

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Solution

The fourth proportional to 494,397, 741,155.70 and 178,783.80 is: 268,016.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,397 : 741,155.70 = 178,783.80 : x
  2. Step 2: Convert to fraction form
    494,397/741,155.70 = 178,783.80/x
  3. Step 3: Cross multiply
    494,397x = 741,155.70 × 178,783.80
  4. Step 4: Simplify right side
    494,397x = 132,506,632,437.66
  5. Step 5: Solve for x
    x = 132,506,632,437.66/494,397
  6. Step 6: Final answer
    x = 268,016.66

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1.5x scale

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.