Home / 843,808.82-1,165,020.02-499,755.44

Finding the Fourth Proportional to 843,808.82, 1,165,020.02 and 499,755.44

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Solution

The fourth proportional to 843,808.82, 1,165,020.02 and 499,755.44 is: 689,996.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,808.82 : 1,165,020.02 = 499,755.44 : x
  2. Step 2: Convert to fraction form
    843,808.82/1,165,020.02 = 499,755.44/x
  3. Step 3: Cross multiply
    843,808.82x = 1,165,020.02 × 499,755.44
  4. Step 4: Simplify right side
    843,808.82x = 582,225,092,703.91
  5. Step 5: Solve for x
    x = 582,225,092,703.91/843,808.82
  6. Step 6: Final answer
    x = 689,996.45

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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.