Home / 851,197.96-1,174,661.38-469,238.52

Finding the Fourth Proportional to 851,197.96, 1,174,661.38 and 469,238.52

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Solution

The fourth proportional to 851,197.96, 1,174,661.38 and 469,238.52 is: 647,553.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,197.96 : 1,174,661.38 = 469,238.52 : x
  2. Step 2: Convert to fraction form
    851,197.96/1,174,661.38 = 469,238.52/x
  3. Step 3: Cross multiply
    851,197.96x = 1,174,661.38 × 469,238.52
  4. Step 4: Simplify right side
    851,197.96x = 551,196,367,452.36
  5. Step 5: Solve for x
    x = 551,196,367,452.36/851,197.96
  6. Step 6: Final answer
    x = 647,553.68

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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.