Home / 490,013.43-733,948.52-347,426.50

Finding the Fourth Proportional to 490,013.43, 733,948.52 and 347,426.50

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Solution

The fourth proportional to 490,013.43, 733,948.52 and 347,426.50 is: 520,379.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,013.43 : 733,948.52 = 347,426.50 : x
  2. Step 2: Convert to fraction form
    490,013.43/733,948.52 = 347,426.50/x
  3. Step 3: Cross multiply
    490,013.43x = 733,948.52 × 347,426.50
  4. Step 4: Simplify right side
    490,013.43x = 254,993,161,911.78
  5. Step 5: Solve for x
    x = 254,993,161,911.78/490,013.43
  6. Step 6: Final answer
    x = 520,379.95

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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.