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Finding the Fourth Proportional to 718,008, 1,077,012 and 192,696

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Solution

The fourth proportional to 718,008, 1,077,012 and 192,696 is: 289,044

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,008 : 1,077,012 = 192,696 : x
  2. Step 2: Convert to fraction form
    718,008/1,077,012 = 192,696/x
  3. Step 3: Cross multiply
    718,008x = 1,077,012 × 192,696
  4. Step 4: Simplify right side
    718,008x = 207,535,904,352
  5. Step 5: Solve for x
    x = 207,535,904,352/718,008
  6. Step 6: Final answer
    x = 289,044

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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.