Home / 693,453.20-1,040,179.80-493,350.80

Finding the Fourth Proportional to 693,453.20, 1,040,179.80 and 493,350.80

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Solution

The fourth proportional to 693,453.20, 1,040,179.80 and 493,350.80 is: 740,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,453.20 : 1,040,179.80 = 493,350.80 : x
  2. Step 2: Convert to fraction form
    693,453.20/1,040,179.80 = 493,350.80/x
  3. Step 3: Cross multiply
    693,453.20x = 1,040,179.80 × 493,350.80
  4. Step 4: Simplify right side
    693,453.20x = 513,173,536,473.84
  5. Step 5: Solve for x
    x = 513,173,536,473.84/693,453.20
  6. Step 6: Final answer
    x = 740,026.20

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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.