Home / 851,309.57-1,277,211-252,282.17

Finding the Fourth Proportional to 851,309.57, 1,277,211 and 252,282.17

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Solution

The fourth proportional to 851,309.57, 1,277,211 and 252,282.17 is: 378,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,309.57 : 1,277,211 = 252,282.17 : x
  2. Step 2: Convert to fraction form
    851,309.57/1,277,211 = 252,282.17/x
  3. Step 3: Cross multiply
    851,309.57x = 1,277,211 × 252,282.17
  4. Step 4: Simplify right side
    851,309.57x = 322,217,562,627.87
  5. Step 5: Solve for x
    x = 322,217,562,627.87/851,309.57
  6. Step 6: Final answer
    x = 378,496.35

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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.