Home / 494,803.20-741,621.60-369,998.40

Finding the Fourth Proportional to 494,803.20, 741,621.60 and 369,998.40

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Solution

The fourth proportional to 494,803.20, 741,621.60 and 369,998.40 is: 554,561.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,803.20 : 741,621.60 = 369,998.40 : x
  2. Step 2: Convert to fraction form
    494,803.20/741,621.60 = 369,998.40/x
  3. Step 3: Cross multiply
    494,803.20x = 741,621.60 × 369,998.40
  4. Step 4: Simplify right side
    494,803.20x = 274,398,805,405.44
  5. Step 5: Solve for x
    x = 274,398,805,405.44/494,803.20
  6. Step 6: Final answer
    x = 554,561.50

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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.