Home / 538,513.45-743,118.24-296,795.28

Finding the Fourth Proportional to 538,513.45, 743,118.24 and 296,795.28

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Solution

The fourth proportional to 538,513.45, 743,118.24 and 296,795.28 is: 409,560.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,513.45 : 743,118.24 = 296,795.28 : x
  2. Step 2: Convert to fraction form
    538,513.45/743,118.24 = 296,795.28/x
  3. Step 3: Cross multiply
    538,513.45x = 743,118.24 × 296,795.28
  4. Step 4: Simplify right side
    538,513.45x = 220,553,986,113.91
  5. Step 5: Solve for x
    x = 220,553,986,113.91/538,513.45
  6. Step 6: Final answer
    x = 409,560.78

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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.