Home / 851,533.15-1,277,546.27-252,508.72

Finding the Fourth Proportional to 851,533.15, 1,277,546.27 and 252,508.72

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Solution

The fourth proportional to 851,533.15, 1,277,546.27 and 252,508.72 is: 378,836.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,533.15 : 1,277,546.27 = 252,508.72 : x
  2. Step 2: Convert to fraction form
    851,533.15/1,277,546.27 = 252,508.72/x
  3. Step 3: Cross multiply
    851,533.15x = 1,277,546.27 × 252,508.72
  4. Step 4: Simplify right side
    851,533.15x = 322,591,565,728.20
  5. Step 5: Solve for x
    x = 322,591,565,728.20/851,533.15
  6. Step 6: Final answer
    x = 378,836.18

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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.