Home / 851,360.76-1,277,004.24-211,651.11

Finding the Fourth Proportional to 851,360.76, 1,277,004.24 and 211,651.11

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Solution

The fourth proportional to 851,360.76, 1,277,004.24 and 211,651.11 is: 317,467.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,360.76 : 1,277,004.24 = 211,651.11 : x
  2. Step 2: Convert to fraction form
    851,360.76/1,277,004.24 = 211,651.11/x
  3. Step 3: Cross multiply
    851,360.76x = 1,277,004.24 × 211,651.11
  4. Step 4: Simplify right side
    851,360.76x = 270,279,364,870.71
  5. Step 5: Solve for x
    x = 270,279,364,870.71/851,360.76
  6. Step 6: Final answer
    x = 317,467.49

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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.