Home / 693,272.24-1,040,292.84-338,289.20

Finding the Fourth Proportional to 693,272.24, 1,040,292.84 and 338,289.20

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Solution

The fourth proportional to 693,272.24, 1,040,292.84 and 338,289.20 is: 507,621.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,272.24 : 1,040,292.84 = 338,289.20 : x
  2. Step 2: Convert to fraction form
    693,272.24/1,040,292.84 = 338,289.20/x
  3. Step 3: Cross multiply
    693,272.24x = 1,040,292.84 × 338,289.20
  4. Step 4: Simplify right side
    693,272.24x = 351,919,832,609.33
  5. Step 5: Solve for x
    x = 351,919,832,609.33/693,272.24
  6. Step 6: Final answer
    x = 507,621.41

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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.