Home / 873,021.22-1,204,756.94-491,047.10

Finding the Fourth Proportional to 873,021.22, 1,204,756.94 and 491,047.10

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Solution

The fourth proportional to 873,021.22, 1,204,756.94 and 491,047.10 is: 677,638.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,021.22 : 1,204,756.94 = 491,047.10 : x
  2. Step 2: Convert to fraction form
    873,021.22/1,204,756.94 = 491,047.10/x
  3. Step 3: Cross multiply
    873,021.22x = 1,204,756.94 × 491,047.10
  4. Step 4: Simplify right side
    873,021.22x = 591,592,401,591.87
  5. Step 5: Solve for x
    x = 591,592,401,591.87/873,021.22
  6. Step 6: Final answer
    x = 677,638.06

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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.