Home / 494,440.40-741,660.60-307,816.40

Finding the Fourth Proportional to 494,440.40, 741,660.60 and 307,816.40

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Solution

The fourth proportional to 494,440.40, 741,660.60 and 307,816.40 is: 461,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,440.40 : 741,660.60 = 307,816.40 : x
  2. Step 2: Convert to fraction form
    494,440.40/741,660.60 = 307,816.40/x
  3. Step 3: Cross multiply
    494,440.40x = 741,660.60 × 307,816.40
  4. Step 4: Simplify right side
    494,440.40x = 228,295,295,913.84
  5. Step 5: Solve for x
    x = 228,295,295,913.84/494,440.40
  6. Step 6: Final answer
    x = 461,724.60

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Similar ratio
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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.