Home / 490,083.40-734,736.30-268,467.40

Finding the Fourth Proportional to 490,083.40, 734,736.30 and 268,467.40

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Solution

The fourth proportional to 490,083.40, 734,736.30 and 268,467.40 is: 402,488.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,083.40 : 734,736.30 = 268,467.40 : x
  2. Step 2: Convert to fraction form
    490,083.40/734,736.30 = 268,467.40/x
  3. Step 3: Cross multiply
    490,083.40x = 734,736.30 × 268,467.40
  4. Step 4: Simplify right side
    490,083.40x = 197,252,744,146.62
  5. Step 5: Solve for x
    x = 197,252,744,146.62/490,083.40
  6. Step 6: Final answer
    x = 402,488.12

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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.