Home / 801,062.88-1,105,466.58-438,487.44

Finding the Fourth Proportional to 801,062.88, 1,105,466.58 and 438,487.44

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Solution

The fourth proportional to 801,062.88, 1,105,466.58 and 438,487.44 is: 605,112.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,062.88 : 1,105,466.58 = 438,487.44 : x
  2. Step 2: Convert to fraction form
    801,062.88/1,105,466.58 = 438,487.44/x
  3. Step 3: Cross multiply
    801,062.88x = 1,105,466.58 × 438,487.44
  4. Step 4: Simplify right side
    801,062.88x = 484,733,210,669.76
  5. Step 5: Solve for x
    x = 484,733,210,669.76/801,062.88
  6. Step 6: Final answer
    x = 605,112.56

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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.