Home / 538,587.42-743,216.79-296,856.66

Finding the Fourth Proportional to 538,587.42, 743,216.79 and 296,856.66

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Solution

The fourth proportional to 538,587.42, 743,216.79 and 296,856.66 is: 409,643.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,587.42 : 743,216.79 = 296,856.66 : x
  2. Step 2: Convert to fraction form
    538,587.42/743,216.79 = 296,856.66/x
  3. Step 3: Cross multiply
    538,587.42x = 743,216.79 × 296,856.66
  4. Step 4: Simplify right side
    538,587.42x = 220,628,853,935.32
  5. Step 5: Solve for x
    x = 220,628,853,935.32/538,587.42
  6. Step 6: Final answer
    x = 409,643.53

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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.