Home / 851,179.59-1,174,630.41-469,198.17

Finding the Fourth Proportional to 851,179.59, 1,174,630.41 and 469,198.17

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Solution

The fourth proportional to 851,179.59, 1,174,630.41 and 469,198.17 is: 647,494.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,179.59 : 1,174,630.41 = 469,198.17 : x
  2. Step 2: Convert to fraction form
    851,179.59/1,174,630.41 = 469,198.17/x
  3. Step 3: Cross multiply
    851,179.59x = 1,174,630.41 × 469,198.17
  4. Step 4: Simplify right side
    851,179.59x = 551,134,438,798.35
  5. Step 5: Solve for x
    x = 551,134,438,798.35/851,179.59
  6. Step 6: Final answer
    x = 647,494.89

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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.