Home / 814,776.46-1,222,023.74-215,746.22

Finding the Fourth Proportional to 814,776.46, 1,222,023.74 and 215,746.22

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Solution

The fourth proportional to 814,776.46, 1,222,023.74 and 215,746.22 is: 323,582.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,776.46 : 1,222,023.74 = 215,746.22 : x
  2. Step 2: Convert to fraction form
    814,776.46/1,222,023.74 = 215,746.22/x
  3. Step 3: Cross multiply
    814,776.46x = 1,222,023.74 × 215,746.22
  4. Step 4: Simplify right side
    814,776.46x = 263,647,004,631.59
  5. Step 5: Solve for x
    x = 263,647,004,631.59/814,776.46
  6. Step 6: Final answer
    x = 323,582.01

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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.