Home / 981,930.15-1,355,042.36-568,484.37

Finding the Fourth Proportional to 981,930.15, 1,355,042.36 and 568,484.37

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Solution

The fourth proportional to 981,930.15, 1,355,042.36 and 568,484.37 is: 784,496.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,930.15 : 1,355,042.36 = 568,484.37 : x
  2. Step 2: Convert to fraction form
    981,930.15/1,355,042.36 = 568,484.37/x
  3. Step 3: Cross multiply
    981,930.15x = 1,355,042.36 × 568,484.37
  4. Step 4: Simplify right side
    981,930.15x = 770,320,402,347.91
  5. Step 5: Solve for x
    x = 770,320,402,347.91/981,930.15
  6. Step 6: Final answer
    x = 784,496.13

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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.