Home / 801,784.88-1,106,463.32-439,221.62

Finding the Fourth Proportional to 801,784.88, 1,106,463.32 and 439,221.62

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Solution

The fourth proportional to 801,784.88, 1,106,463.32 and 439,221.62 is: 606,125.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,784.88 : 1,106,463.32 = 439,221.62 : x
  2. Step 2: Convert to fraction form
    801,784.88/1,106,463.32 = 439,221.62/x
  3. Step 3: Cross multiply
    801,784.88x = 1,106,463.32 × 439,221.62
  4. Step 4: Simplify right side
    801,784.88x = 485,982,615,745.19
  5. Step 5: Solve for x
    x = 485,982,615,745.19/801,784.88
  6. Step 6: Final answer
    x = 606,125.95

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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.