Home / 851,245.94-1,277,055.72-252,253.98

Finding the Fourth Proportional to 851,245.94, 1,277,055.72 and 252,253.98

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Solution

The fourth proportional to 851,245.94, 1,277,055.72 and 252,253.98 is: 378,436.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,245.94 : 1,277,055.72 = 252,253.98 : x
  2. Step 2: Convert to fraction form
    851,245.94/1,277,055.72 = 252,253.98/x
  3. Step 3: Cross multiply
    851,245.94x = 1,277,055.72 × 252,253.98
  4. Step 4: Simplify right side
    851,245.94x = 322,142,388,051.77
  5. Step 5: Solve for x
    x = 322,142,388,051.77/851,245.94
  6. Step 6: Final answer
    x = 378,436.33

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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.