Home / 823,481.84-1,233,423.77-342,250.59

Finding the Fourth Proportional to 823,481.84, 1,233,423.77 and 342,250.59

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Solution

The fourth proportional to 823,481.84, 1,233,423.77 and 342,250.59 is: 512,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,481.84 : 1,233,423.77 = 342,250.59 : x
  2. Step 2: Convert to fraction form
    823,481.84/1,233,423.77 = 342,250.59/x
  3. Step 3: Cross multiply
    823,481.84x = 1,233,423.77 × 342,250.59
  4. Step 4: Simplify right side
    823,481.84x = 422,140,011,291.27
  5. Step 5: Solve for x
    x = 422,140,011,291.27/823,481.84
  6. Step 6: Final answer
    x = 512,628.20

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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.