Home / 694,985.12-1,040,844.72-338,882.72

Finding the Fourth Proportional to 694,985.12, 1,040,844.72 and 338,882.72

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Solution

The fourth proportional to 694,985.12, 1,040,844.72 and 338,882.72 is: 507,527.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,985.12 : 1,040,844.72 = 338,882.72 : x
  2. Step 2: Convert to fraction form
    694,985.12/1,040,844.72 = 338,882.72/x
  3. Step 3: Cross multiply
    694,985.12x = 1,040,844.72 × 338,882.72
  4. Step 4: Simplify right side
    694,985.12x = 352,724,289,811.24
  5. Step 5: Solve for x
    x = 352,724,289,811.24/694,985.12
  6. Step 6: Final answer
    x = 507,527.83

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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.