Home / 981,986.05-1,355,030.49-552,256.93

Finding the Fourth Proportional to 981,986.05, 1,355,030.49 and 552,256.93

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Solution

The fourth proportional to 981,986.05, 1,355,030.49 and 552,256.93 is: 762,052.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,986.05 : 1,355,030.49 = 552,256.93 : x
  2. Step 2: Convert to fraction form
    981,986.05/1,355,030.49 = 552,256.93/x
  3. Step 3: Cross multiply
    981,986.05x = 1,355,030.49 × 552,256.93
  4. Step 4: Simplify right side
    981,986.05x = 748,324,978,463.80
  5. Step 5: Solve for x
    x = 748,324,978,463.80/981,986.05
  6. Step 6: Final answer
    x = 762,052.56

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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.