Home / 547,767.04-755,843.28-306,019.36

Finding the Fourth Proportional to 547,767.04, 755,843.28 and 306,019.36

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Solution

The fourth proportional to 547,767.04, 755,843.28 and 306,019.36 is: 422,264.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,767.04 : 755,843.28 = 306,019.36 : x
  2. Step 2: Convert to fraction form
    547,767.04/755,843.28 = 306,019.36/x
  3. Step 3: Cross multiply
    547,767.04x = 755,843.28 × 306,019.36
  4. Step 4: Simplify right side
    547,767.04x = 231,302,676,805.90
  5. Step 5: Solve for x
    x = 231,302,676,805.90/547,767.04
  6. Step 6: Final answer
    x = 422,264.69

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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.