Home / 892,742.64-1,339,116.12-218,826.96

Finding the Fourth Proportional to 892,742.64, 1,339,116.12 and 218,826.96

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Solution

The fourth proportional to 892,742.64, 1,339,116.12 and 218,826.96 is: 328,240.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,742.64 : 1,339,116.12 = 218,826.96 : x
  2. Step 2: Convert to fraction form
    892,742.64/1,339,116.12 = 218,826.96/x
  3. Step 3: Cross multiply
    892,742.64x = 1,339,116.12 × 218,826.96
  4. Step 4: Simplify right side
    892,742.64x = 293,034,709,626.60
  5. Step 5: Solve for x
    x = 293,034,709,626.60/892,742.64
  6. Step 6: Final answer
    x = 328,240.97

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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.