Home / 801,045.25-1,105,443.65-438,492.06

Finding the Fourth Proportional to 801,045.25, 1,105,443.65 and 438,492.06

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Solution

The fourth proportional to 801,045.25, 1,105,443.65 and 438,492.06 is: 605,119.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,045.25 : 1,105,443.65 = 438,492.06 : x
  2. Step 2: Convert to fraction form
    801,045.25/1,105,443.65 = 438,492.06/x
  3. Step 3: Cross multiply
    801,045.25x = 1,105,443.65 × 438,492.06
  4. Step 4: Simplify right side
    801,045.25x = 484,728,264,398.65
  5. Step 5: Solve for x
    x = 484,728,264,398.65/801,045.25
  6. Step 6: Final answer
    x = 605,119.71

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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.