Home / 801,028.47-1,105,376.49-438,382.20

Finding the Fourth Proportional to 801,028.47, 1,105,376.49 and 438,382.20

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Solution

The fourth proportional to 801,028.47, 1,105,376.49 and 438,382.20 is: 604,944.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,028.47 : 1,105,376.49 = 438,382.20 : x
  2. Step 2: Convert to fraction form
    801,028.47/1,105,376.49 = 438,382.20/x
  3. Step 3: Cross multiply
    801,028.47x = 1,105,376.49 × 438,382.20
  4. Step 4: Simplify right side
    801,028.47x = 484,577,377,514.48
  5. Step 5: Solve for x
    x = 484,577,377,514.48/801,028.47
  6. Step 6: Final answer
    x = 604,944.01

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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.