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Finding the Fourth Proportional to 511,051.14, 700,142.57 and 491,896.97

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Solution

The fourth proportional to 511,051.14, 700,142.57 and 491,896.97 is: 673,901.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,051.14 : 700,142.57 = 491,896.97 : x
  2. Step 2: Convert to fraction form
    511,051.14/700,142.57 = 491,896.97/x
  3. Step 3: Cross multiply
    511,051.14x = 700,142.57 × 491,896.97
  4. Step 4: Simplify right side
    511,051.14x = 344,398,008,751.01
  5. Step 5: Solve for x
    x = 344,398,008,751.01/511,051.14
  6. Step 6: Final answer
    x = 673,901.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.