Home / 801,055.37-1,105,455.60-438,475.98

Finding the Fourth Proportional to 801,055.37, 1,105,455.60 and 438,475.98

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Solution

The fourth proportional to 801,055.37, 1,105,455.60 and 438,475.98 is: 605,096.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,055.37 : 1,105,455.60 = 438,475.98 : x
  2. Step 2: Convert to fraction form
    801,055.37/1,105,455.60 = 438,475.98/x
  3. Step 3: Cross multiply
    801,055.37x = 1,105,455.60 × 438,475.98
  4. Step 4: Simplify right side
    801,055.37x = 484,715,731,701.95
  5. Step 5: Solve for x
    x = 484,715,731,701.95/801,055.37
  6. Step 6: Final answer
    x = 605,096.41

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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.