Home / 981,263.47-1,353,945.12-573,286.52

Finding the Fourth Proportional to 981,263.47, 1,353,945.12 and 573,286.52

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Solution

The fourth proportional to 981,263.47, 1,353,945.12 and 573,286.52 is: 791,019.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,263.47 : 1,353,945.12 = 573,286.52 : x
  2. Step 2: Convert to fraction form
    981,263.47/1,353,945.12 = 573,286.52/x
  3. Step 3: Cross multiply
    981,263.47x = 1,353,945.12 × 573,286.52
  4. Step 4: Simplify right side
    981,263.47x = 776,198,483,249.35
  5. Step 5: Solve for x
    x = 776,198,483,249.35/981,263.47
  6. Step 6: Final answer
    x = 791,019.44

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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.