Home / 890,067.86-1,335,183.87-291,032.09

Finding the Fourth Proportional to 890,067.86, 1,335,183.87 and 291,032.09

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Solution

The fourth proportional to 890,067.86, 1,335,183.87 and 291,032.09 is: 436,574.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,067.86 : 1,335,183.87 = 291,032.09 : x
  2. Step 2: Convert to fraction form
    890,067.86/1,335,183.87 = 291,032.09/x
  3. Step 3: Cross multiply
    890,067.86x = 1,335,183.87 × 291,032.09
  4. Step 4: Simplify right side
    890,067.86x = 388,581,352,220.39
  5. Step 5: Solve for x
    x = 388,581,352,220.39/890,067.86
  6. Step 6: Final answer
    x = 436,574.97

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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.