Home / 851,978.54-1,277,749.02-252,797.96

Finding the Fourth Proportional to 851,978.54, 1,277,749.02 and 252,797.96

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Solution

The fourth proportional to 851,978.54, 1,277,749.02 and 252,797.96 is: 379,132.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,978.54 : 1,277,749.02 = 252,797.96 : x
  2. Step 2: Convert to fraction form
    851,978.54/1,277,749.02 = 252,797.96/x
  3. Step 3: Cross multiply
    851,978.54x = 1,277,749.02 × 252,797.96
  4. Step 4: Simplify right side
    851,978.54x = 323,012,345,648.00
  5. Step 5: Solve for x
    x = 323,012,345,648.00/851,978.54
  6. Step 6: Final answer
    x = 379,132.02

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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.