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Finding the Fourth Proportional to 568,278.62, 852,386.76 and 343,578.74

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Solution

The fourth proportional to 568,278.62, 852,386.76 and 343,578.74 is: 515,349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,278.62 : 852,386.76 = 343,578.74 : x
  2. Step 2: Convert to fraction form
    568,278.62/852,386.76 = 343,578.74/x
  3. Step 3: Cross multiply
    568,278.62x = 852,386.76 × 343,578.74
  4. Step 4: Simplify right side
    568,278.62x = 292,861,968,993.48
  5. Step 5: Solve for x
    x = 292,861,968,993.48/568,278.62
  6. Step 6: Final answer
    x = 515,349.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.