Home / 663,822.74-996,665.68-339,842.23

Finding the Fourth Proportional to 663,822.74, 996,665.68 and 339,842.23

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Solution

The fourth proportional to 663,822.74, 996,665.68 and 339,842.23 is: 510,240.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,822.74 : 996,665.68 = 339,842.23 : x
  2. Step 2: Convert to fraction form
    663,822.74/996,665.68 = 339,842.23/x
  3. Step 3: Cross multiply
    663,822.74x = 996,665.68 × 339,842.23
  4. Step 4: Simplify right side
    663,822.74x = 338,709,087,255.67
  5. Step 5: Solve for x
    x = 338,709,087,255.67/663,822.74
  6. Step 6: Final answer
    x = 510,240.26

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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.