Home / 776,245.26-1,164,367.88-215,279.76

Finding the Fourth Proportional to 776,245.26, 1,164,367.88 and 215,279.76

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Solution

The fourth proportional to 776,245.26, 1,164,367.88 and 215,279.76 is: 322,919.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,245.26 : 1,164,367.88 = 215,279.76 : x
  2. Step 2: Convert to fraction form
    776,245.26/1,164,367.88 = 215,279.76/x
  3. Step 3: Cross multiply
    776,245.26x = 1,164,367.88 × 215,279.76
  4. Step 4: Simplify right side
    776,245.26x = 250,664,837,758.11
  5. Step 5: Solve for x
    x = 250,664,837,758.11/776,245.26
  6. Step 6: Final answer
    x = 322,919.64

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1.5x scale

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.