Home / 498,653.56-747,974.94-398,343.16

Finding the Fourth Proportional to 498,653.56, 747,974.94 and 398,343.16

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Solution

The fourth proportional to 498,653.56, 747,974.94 and 398,343.16 is: 597,510.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,653.56 : 747,974.94 = 398,343.16 : x
  2. Step 2: Convert to fraction form
    498,653.56/747,974.94 = 398,343.16/x
  3. Step 3: Cross multiply
    498,653.56x = 747,974.94 × 398,343.16
  4. Step 4: Simplify right side
    498,653.56x = 297,950,701,200.41
  5. Step 5: Solve for x
    x = 297,950,701,200.41/498,653.56
  6. Step 6: Final answer
    x = 597,510.43

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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.