Home / 801,211.41-1,105,666.42-438,641.36

Finding the Fourth Proportional to 801,211.41, 1,105,666.42 and 438,641.36

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Solution

The fourth proportional to 801,211.41, 1,105,666.42 and 438,641.36 is: 605,322.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,211.41 : 1,105,666.42 = 438,641.36 : x
  2. Step 2: Convert to fraction form
    801,211.41/1,105,666.42 = 438,641.36/x
  3. Step 3: Cross multiply
    801,211.41x = 1,105,666.42 × 438,641.36
  4. Step 4: Simplify right side
    801,211.41x = 484,991,022,175.13
  5. Step 5: Solve for x
    x = 484,991,022,175.13/801,211.41
  6. Step 6: Final answer
    x = 605,322.16

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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.