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Finding the Fourth Proportional to 537,289.64, 741,436.28 and 295,556.88

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Solution

The fourth proportional to 537,289.64, 741,436.28 and 295,556.88 is: 407,855.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,289.64 : 741,436.28 = 295,556.88 : x
  2. Step 2: Convert to fraction form
    537,289.64/741,436.28 = 295,556.88/x
  3. Step 3: Cross multiply
    537,289.64x = 741,436.28 × 295,556.88
  4. Step 4: Simplify right side
    537,289.64x = 219,136,593,635.61
  5. Step 5: Solve for x
    x = 219,136,593,635.61/537,289.64
  6. Step 6: Final answer
    x = 407,855.61

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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.