Home / 801,056.22-1,105,459.23-438,503.28

Finding the Fourth Proportional to 801,056.22, 1,105,459.23 and 438,503.28

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Solution

The fourth proportional to 801,056.22, 1,105,459.23 and 438,503.28 is: 605,135.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,056.22 : 1,105,459.23 = 438,503.28 : x
  2. Step 2: Convert to fraction form
    801,056.22/1,105,459.23 = 438,503.28/x
  3. Step 3: Cross multiply
    801,056.22x = 1,105,459.23 × 438,503.28
  4. Step 4: Simplify right side
    801,056.22x = 484,747,498,261.27
  5. Step 5: Solve for x
    x = 484,747,498,261.27/801,056.22
  6. Step 6: Final answer
    x = 605,135.43

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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.