Home / 851,563.56-1,277,591.88-252,539.12

Finding the Fourth Proportional to 851,563.56, 1,277,591.88 and 252,539.12

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Solution

The fourth proportional to 851,563.56, 1,277,591.88 and 252,539.12 is: 378,881.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,563.56 : 1,277,591.88 = 252,539.12 : x
  2. Step 2: Convert to fraction form
    851,563.56/1,277,591.88 = 252,539.12/x
  3. Step 3: Cross multiply
    851,563.56x = 1,277,591.88 × 252,539.12
  4. Step 4: Simplify right side
    851,563.56x = 322,641,929,094.35
  5. Step 5: Solve for x
    x = 322,641,929,094.35/851,563.56
  6. Step 6: Final answer
    x = 378,881.79

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1.5x scale

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.