Home / 851,686.38-1,277,796.05-252,650.67

Finding the Fourth Proportional to 851,686.38, 1,277,796.05 and 252,650.67

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Solution

The fourth proportional to 851,686.38, 1,277,796.05 and 252,650.67 is: 379,055.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,686.38 : 1,277,796.05 = 252,650.67 : x
  2. Step 2: Convert to fraction form
    851,686.38/1,277,796.05 = 252,650.67/x
  3. Step 3: Cross multiply
    851,686.38x = 1,277,796.05 × 252,650.67
  4. Step 4: Simplify right side
    851,686.38x = 322,836,026,892.60
  5. Step 5: Solve for x
    x = 322,836,026,892.60/851,686.38
  6. Step 6: Final answer
    x = 379,055.05

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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.