Home / 801,922.86-1,106,652.96-439,369.38

Finding the Fourth Proportional to 801,922.86, 1,106,652.96 and 439,369.38

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Solution

The fourth proportional to 801,922.86, 1,106,652.96 and 439,369.38 is: 606,329.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,922.86 : 1,106,652.96 = 439,369.38 : x
  2. Step 2: Convert to fraction form
    801,922.86/1,106,652.96 = 439,369.38/x
  3. Step 3: Cross multiply
    801,922.86x = 1,106,652.96 × 439,369.38
  4. Step 4: Simplify right side
    801,922.86x = 486,229,424,910.37
  5. Step 5: Solve for x
    x = 486,229,424,910.37/801,922.86
  6. Step 6: Final answer
    x = 606,329.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.