Home / 851,619.93-1,175,195.94-488,788.41

Finding the Fourth Proportional to 851,619.93, 1,175,195.94 and 488,788.41

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Solution

The fourth proportional to 851,619.93, 1,175,195.94 and 488,788.41 is: 674,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,619.93 : 1,175,195.94 = 488,788.41 : x
  2. Step 2: Convert to fraction form
    851,619.93/1,175,195.94 = 488,788.41/x
  3. Step 3: Cross multiply
    851,619.93x = 1,175,195.94 × 488,788.41
  4. Step 4: Simplify right side
    851,619.93x = 574,422,154,951.06
  5. Step 5: Solve for x
    x = 574,422,154,951.06/851,619.93
  6. Step 6: Final answer
    x = 674,505.30

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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.