Home / 766,495.17-1,149,920.64-261,060.53

Finding the Fourth Proportional to 766,495.17, 1,149,920.64 and 261,060.53

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Solution

The fourth proportional to 766,495.17, 1,149,920.64 and 261,060.53 is: 391,651.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,495.17 : 1,149,920.64 = 261,060.53 : x
  2. Step 2: Convert to fraction form
    766,495.17/1,149,920.64 = 261,060.53/x
  3. Step 3: Cross multiply
    766,495.17x = 1,149,920.64 × 261,060.53
  4. Step 4: Simplify right side
    766,495.17x = 300,198,891,736.34
  5. Step 5: Solve for x
    x = 300,198,891,736.34/766,495.17
  6. Step 6: Final answer
    x = 391,651.38

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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.