Home / 801,574.88-1,106,173.32-438,999.60

Finding the Fourth Proportional to 801,574.88, 1,106,173.32 and 438,999.60

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Solution

The fourth proportional to 801,574.88, 1,106,173.32 and 438,999.60 is: 605,819.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,574.88 : 1,106,173.32 = 438,999.60 : x
  2. Step 2: Convert to fraction form
    801,574.88/1,106,173.32 = 438,999.60/x
  3. Step 3: Cross multiply
    801,574.88x = 1,106,173.32 × 438,999.60
  4. Step 4: Simplify right side
    801,574.88x = 485,609,645,010.67
  5. Step 5: Solve for x
    x = 485,609,645,010.67/801,574.88
  6. Step 6: Final answer
    x = 605,819.44

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Double scale
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Similar ratio
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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.