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Finding the Fourth Proportional to 552,085.98, 828,137.17 and 363,752.47

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Solution

The fourth proportional to 552,085.98, 828,137.17 and 363,752.47 is: 545,634.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,085.98 : 828,137.17 = 363,752.47 : x
  2. Step 2: Convert to fraction form
    552,085.98/828,137.17 = 363,752.47/x
  3. Step 3: Cross multiply
    552,085.98x = 828,137.17 × 363,752.47
  4. Step 4: Simplify right side
    552,085.98x = 301,236,940,530.06
  5. Step 5: Solve for x
    x = 301,236,940,530.06/552,085.98
  6. Step 6: Final answer
    x = 545,634.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.