Home / 801,056.88-1,105,457.67-438,477.48

Finding the Fourth Proportional to 801,056.88, 1,105,457.67 and 438,477.48

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Solution

The fourth proportional to 801,056.88, 1,105,457.67 and 438,477.48 is: 605,098.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,056.88 : 1,105,457.67 = 438,477.48 : x
  2. Step 2: Convert to fraction form
    801,056.88/1,105,457.67 = 438,477.48/x
  3. Step 3: Cross multiply
    801,056.88x = 1,105,457.67 × 438,477.48
  4. Step 4: Simplify right side
    801,056.88x = 484,718,293,388.27
  5. Step 5: Solve for x
    x = 484,718,293,388.27/801,056.88
  6. Step 6: Final answer
    x = 605,098.47

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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.