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Finding the Fourth Proportional to 562,026.75, 843,316.91 and 262,463.78

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Solution

The fourth proportional to 562,026.75, 843,316.91 and 262,463.78 is: 393,824.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,026.75 : 843,316.91 = 262,463.78 : x
  2. Step 2: Convert to fraction form
    562,026.75/843,316.91 = 262,463.78/x
  3. Step 3: Cross multiply
    562,026.75x = 843,316.91 × 262,463.78
  4. Step 4: Simplify right side
    562,026.75x = 221,340,138,407.62
  5. Step 5: Solve for x
    x = 221,340,138,407.62/562,026.75
  6. Step 6: Final answer
    x = 393,824.92

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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.