Home / 801,575.12-1,106,173.67-438,999.84

Finding the Fourth Proportional to 801,575.12, 1,106,173.67 and 438,999.84

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Solution

The fourth proportional to 801,575.12, 1,106,173.67 and 438,999.84 is: 605,819.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,575.12 : 1,106,173.67 = 438,999.84 : x
  2. Step 2: Convert to fraction form
    801,575.12/1,106,173.67 = 438,999.84/x
  3. Step 3: Cross multiply
    801,575.12x = 1,106,173.67 × 438,999.84
  4. Step 4: Simplify right side
    801,575.12x = 485,610,061,947.21
  5. Step 5: Solve for x
    x = 485,610,061,947.21/801,575.12
  6. Step 6: Final answer
    x = 605,819.78

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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.