Home / 814,708.20-1,222,499.70-341,441.40

Finding the Fourth Proportional to 814,708.20, 1,222,499.70 and 341,441.40

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Solution

The fourth proportional to 814,708.20, 1,222,499.70 and 341,441.40 is: 512,345.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,708.20 : 1,222,499.70 = 341,441.40 : x
  2. Step 2: Convert to fraction form
    814,708.20/1,222,499.70 = 341,441.40/x
  3. Step 3: Cross multiply
    814,708.20x = 1,222,499.70 × 341,441.40
  4. Step 4: Simplify right side
    814,708.20x = 417,412,009,067.58
  5. Step 5: Solve for x
    x = 417,412,009,067.58/814,708.20
  6. Step 6: Final answer
    x = 512,345.41

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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.