Home / 851,992.07-1,175,752.86-464,806.31

Finding the Fourth Proportional to 851,992.07, 1,175,752.86 and 464,806.31

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Solution

The fourth proportional to 851,992.07, 1,175,752.86 and 464,806.31 is: 641,434.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,992.07 : 1,175,752.86 = 464,806.31 : x
  2. Step 2: Convert to fraction form
    851,992.07/1,175,752.86 = 464,806.31/x
  3. Step 3: Cross multiply
    851,992.07x = 1,175,752.86 × 464,806.31
  4. Step 4: Simplify right side
    851,992.07x = 546,497,348,328.55
  5. Step 5: Solve for x
    x = 546,497,348,328.55/851,992.07
  6. Step 6: Final answer
    x = 641,434.78

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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.