Home / 851,720.46-1,277,580.69-220,634.25

Finding the Fourth Proportional to 851,720.46, 1,277,580.69 and 220,634.25

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Solution

The fourth proportional to 851,720.46, 1,277,580.69 and 220,634.25 is: 330,951.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,720.46 : 1,277,580.69 = 220,634.25 : x
  2. Step 2: Convert to fraction form
    851,720.46/1,277,580.69 = 220,634.25/x
  3. Step 3: Cross multiply
    851,720.46x = 1,277,580.69 × 220,634.25
  4. Step 4: Simplify right side
    851,720.46x = 281,878,057,352.63
  5. Step 5: Solve for x
    x = 281,878,057,352.63/851,720.46
  6. Step 6: Final answer
    x = 330,951.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.