Home / 801,638.46-1,106,221.61-439,063.92

Finding the Fourth Proportional to 801,638.46, 1,106,221.61 and 439,063.92

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Solution

The fourth proportional to 801,638.46, 1,106,221.61 and 439,063.92 is: 605,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,638.46 : 1,106,221.61 = 439,063.92 : x
  2. Step 2: Convert to fraction form
    801,638.46/1,106,221.61 = 439,063.92/x
  3. Step 3: Cross multiply
    801,638.46x = 1,106,221.61 × 439,063.92
  4. Step 4: Simplify right side
    801,638.46x = 485,701,994,279.99
  5. Step 5: Solve for x
    x = 485,701,994,279.99/801,638.46
  6. Step 6: Final answer
    x = 605,886.59

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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.