Home / 753,887.23-1,040,372.44-409,723.15

Finding the Fourth Proportional to 753,887.23, 1,040,372.44 and 409,723.15

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Solution

The fourth proportional to 753,887.23, 1,040,372.44 and 409,723.15 is: 565,422.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,887.23 : 1,040,372.44 = 409,723.15 : x
  2. Step 2: Convert to fraction form
    753,887.23/1,040,372.44 = 409,723.15/x
  3. Step 3: Cross multiply
    753,887.23x = 1,040,372.44 × 409,723.15
  4. Step 4: Simplify right side
    753,887.23x = 426,264,673,289.99
  5. Step 5: Solve for x
    x = 426,264,673,289.99/753,887.23
  6. Step 6: Final answer
    x = 565,422.33

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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.