Home / 851,619.18-1,175,194.91-488,787.66

Finding the Fourth Proportional to 851,619.18, 1,175,194.91 and 488,787.66

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Solution

The fourth proportional to 851,619.18, 1,175,194.91 and 488,787.66 is: 674,504.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,619.18 : 1,175,194.91 = 488,787.66 : x
  2. Step 2: Convert to fraction form
    851,619.18/1,175,194.91 = 488,787.66/x
  3. Step 3: Cross multiply
    851,619.18x = 1,175,194.91 × 488,787.66
  4. Step 4: Simplify right side
    851,619.18x = 574,420,767,658.87
  5. Step 5: Solve for x
    x = 574,420,767,658.87/851,619.18
  6. Step 6: Final answer
    x = 674,504.26

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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.