Home / 543,837.78-750,565.34-328,979.39

Finding the Fourth Proportional to 543,837.78, 750,565.34 and 328,979.39

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Solution

The fourth proportional to 543,837.78, 750,565.34 and 328,979.39 is: 454,033.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,837.78 : 750,565.34 = 328,979.39 : x
  2. Step 2: Convert to fraction form
    543,837.78/750,565.34 = 328,979.39/x
  3. Step 3: Cross multiply
    543,837.78x = 750,565.34 × 328,979.39
  4. Step 4: Simplify right side
    543,837.78x = 246,920,522,619.04
  5. Step 5: Solve for x
    x = 246,920,522,619.04/543,837.78
  6. Step 6: Final answer
    x = 454,033.41

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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.