Home / 397,426.46-597,344.08-262,949.20

Finding the Fourth Proportional to 397,426.46, 597,344.08 and 262,949.20

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Solution

The fourth proportional to 397,426.46, 597,344.08 and 262,949.20 is: 395,220.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,426.46 : 597,344.08 = 262,949.20 : x
  2. Step 2: Convert to fraction form
    397,426.46/597,344.08 = 262,949.20/x
  3. Step 3: Cross multiply
    397,426.46x = 597,344.08 × 262,949.20
  4. Step 4: Simplify right side
    397,426.46x = 157,071,147,960.74
  5. Step 5: Solve for x
    x = 157,071,147,960.74/397,426.46
  6. Step 6: Final answer
    x = 395,220.66

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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.