Home / 753,782.99-1,040,308.97-447,861.87

Finding the Fourth Proportional to 753,782.99, 1,040,308.97 and 447,861.87

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Solution

The fourth proportional to 753,782.99, 1,040,308.97 and 447,861.87 is: 618,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,782.99 : 1,040,308.97 = 447,861.87 : x
  2. Step 2: Convert to fraction form
    753,782.99/1,040,308.97 = 447,861.87/x
  3. Step 3: Cross multiply
    753,782.99x = 1,040,308.97 × 447,861.87
  4. Step 4: Simplify right side
    753,782.99x = 465,914,718,442.67
  5. Step 5: Solve for x
    x = 465,914,718,442.67/753,782.99
  6. Step 6: Final answer
    x = 618,101.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.