Home / 851,619.04-1,175,194.74-488,787.54

Finding the Fourth Proportional to 851,619.04, 1,175,194.74 and 488,787.54

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Solution

The fourth proportional to 851,619.04, 1,175,194.74 and 488,787.54 is: 674,504.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,619.04 : 1,175,194.74 = 488,787.54 : x
  2. Step 2: Convert to fraction form
    851,619.04/1,175,194.74 = 488,787.54/x
  3. Step 3: Cross multiply
    851,619.04x = 1,175,194.74 × 488,787.54
  4. Step 4: Simplify right side
    851,619.04x = 574,420,540,109.57
  5. Step 5: Solve for x
    x = 574,420,540,109.57/851,619.04
  6. Step 6: Final answer
    x = 674,504.11

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1.5x scale

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.