Home / 826,503.20-1,239,273.06-320,472.98

Finding the Fourth Proportional to 826,503.20, 1,239,273.06 and 320,472.98

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Solution

The fourth proportional to 826,503.20, 1,239,273.06 and 320,472.98 is: 480,522.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,503.20 : 1,239,273.06 = 320,472.98 : x
  2. Step 2: Convert to fraction form
    826,503.20/1,239,273.06 = 320,472.98/x
  3. Step 3: Cross multiply
    826,503.20x = 1,239,273.06 × 320,472.98
  4. Step 4: Simplify right side
    826,503.20x = 397,153,530,571.92
  5. Step 5: Solve for x
    x = 397,153,530,571.92/826,503.20
  6. Step 6: Final answer
    x = 480,522.68

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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.