Home / 538,433.72-743,043.51-296,724.95

Finding the Fourth Proportional to 538,433.72, 743,043.51 and 296,724.95

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Solution

The fourth proportional to 538,433.72, 743,043.51 and 296,724.95 is: 409,483.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,433.72 : 743,043.51 = 296,724.95 : x
  2. Step 2: Convert to fraction form
    538,433.72/743,043.51 = 296,724.95/x
  3. Step 3: Cross multiply
    538,433.72x = 743,043.51 × 296,724.95
  4. Step 4: Simplify right side
    538,433.72x = 220,479,548,352.58
  5. Step 5: Solve for x
    x = 220,479,548,352.58/538,433.72
  6. Step 6: Final answer
    x = 409,483.17

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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.