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Finding the Fourth Proportional to 562,135.01, 775,844.28 and 543,451.14

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Solution

The fourth proportional to 562,135.01, 775,844.28 and 543,451.14 is: 750,057.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,135.01 : 775,844.28 = 543,451.14 : x
  2. Step 2: Convert to fraction form
    562,135.01/775,844.28 = 543,451.14/x
  3. Step 3: Cross multiply
    562,135.01x = 775,844.28 × 543,451.14
  4. Step 4: Simplify right side
    562,135.01x = 421,633,458,428.48
  5. Step 5: Solve for x
    x = 421,633,458,428.48/562,135.01
  6. Step 6: Final answer
    x = 750,057.29

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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.