Home / 694,390.20-1,041,930.90-273,679.80

Finding the Fourth Proportional to 694,390.20, 1,041,930.90 and 273,679.80

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Solution

The fourth proportional to 694,390.20, 1,041,930.90 and 273,679.80 is: 410,655.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,390.20 : 1,041,930.90 = 273,679.80 : x
  2. Step 2: Convert to fraction form
    694,390.20/1,041,930.90 = 273,679.80/x
  3. Step 3: Cross multiply
    694,390.20x = 1,041,930.90 × 273,679.80
  4. Step 4: Simplify right side
    694,390.20x = 285,155,440,325.82
  5. Step 5: Solve for x
    x = 285,155,440,325.82/694,390.20
  6. Step 6: Final answer
    x = 410,655.91

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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.