Home / 851,267.94-1,174,758.81-469,308.39

Finding the Fourth Proportional to 851,267.94, 1,174,758.81 and 469,308.39

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Solution

The fourth proportional to 851,267.94, 1,174,758.81 and 469,308.39 is: 647,650.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,267.94 : 1,174,758.81 = 469,308.39 : x
  2. Step 2: Convert to fraction form
    851,267.94/1,174,758.81 = 469,308.39/x
  3. Step 3: Cross multiply
    851,267.94x = 1,174,758.81 × 469,308.39
  4. Step 4: Simplify right side
    851,267.94x = 551,324,165,759.42
  5. Step 5: Solve for x
    x = 551,324,165,759.42/851,267.94
  6. Step 6: Final answer
    x = 647,650.57

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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.