Home / 538,643.27-743,332.89-296,934.50

Finding the Fourth Proportional to 538,643.27, 743,332.89 and 296,934.50

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Solution

The fourth proportional to 538,643.27, 743,332.89 and 296,934.50 is: 409,772.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,643.27 : 743,332.89 = 296,934.50 : x
  2. Step 2: Convert to fraction form
    538,643.27/743,332.89 = 296,934.50/x
  3. Step 3: Cross multiply
    538,643.27x = 743,332.89 × 296,934.50
  4. Step 4: Simplify right side
    538,643.27x = 220,721,177,422.55
  5. Step 5: Solve for x
    x = 220,721,177,422.55/538,643.27
  6. Step 6: Final answer
    x = 409,772.46

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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.