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Finding the Fourth Proportional to 843,163.56, 1,163,552.04 and 461,187

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Solution

The fourth proportional to 843,163.56, 1,163,552.04 and 461,187 is: 636,430.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,163.56 : 1,163,552.04 = 461,187 : x
  2. Step 2: Convert to fraction form
    843,163.56/1,163,552.04 = 461,187/x
  3. Step 3: Cross multiply
    843,163.56x = 1,163,552.04 × 461,187
  4. Step 4: Simplify right side
    843,163.56x = 536,615,074,671.48
  5. Step 5: Solve for x
    x = 536,615,074,671.48/843,163.56
  6. Step 6: Final answer
    x = 636,430.58

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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.