Home / 801,181.02-1,105,629.72-438,603.74

Finding the Fourth Proportional to 801,181.02, 1,105,629.72 and 438,603.74

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Solution

The fourth proportional to 801,181.02, 1,105,629.72 and 438,603.74 is: 605,273.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,181.02 : 1,105,629.72 = 438,603.74 : x
  2. Step 2: Convert to fraction form
    801,181.02/1,105,629.72 = 438,603.74/x
  3. Step 3: Cross multiply
    801,181.02x = 1,105,629.72 × 438,603.74
  4. Step 4: Simplify right side
    801,181.02x = 484,933,330,247.15
  5. Step 5: Solve for x
    x = 484,933,330,247.15/801,181.02
  6. Step 6: Final answer
    x = 605,273.11

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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.