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Finding the Fourth Proportional to 537,239.52, 741,415.68 and 310,841.28

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Solution

The fourth proportional to 537,239.52, 741,415.68 and 310,841.28 is: 428,975.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,239.52 : 741,415.68 = 310,841.28 : x
  2. Step 2: Convert to fraction form
    537,239.52/741,415.68 = 310,841.28/x
  3. Step 3: Cross multiply
    537,239.52x = 741,415.68 × 310,841.28
  4. Step 4: Simplify right side
    537,239.52x = 230,462,598,983.27
  5. Step 5: Solve for x
    x = 230,462,598,983.27/537,239.52
  6. Step 6: Final answer
    x = 428,975.51

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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.