Home / 816,522.88-1,126,805.94-449,023.71

Finding the Fourth Proportional to 816,522.88, 1,126,805.94 and 449,023.71

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Solution

The fourth proportional to 816,522.88, 1,126,805.94 and 449,023.71 is: 619,655.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,522.88 : 1,126,805.94 = 449,023.71 : x
  2. Step 2: Convert to fraction form
    816,522.88/1,126,805.94 = 449,023.71/x
  3. Step 3: Cross multiply
    816,522.88x = 1,126,805.94 × 449,023.71
  4. Step 4: Simplify right side
    816,522.88x = 505,962,583,628.84
  5. Step 5: Solve for x
    x = 505,962,583,628.84/816,522.88
  6. Step 6: Final answer
    x = 619,655.12

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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.