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Finding the Fourth Proportional to 591,750.28, 816,600.18 and 323,461

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Solution

The fourth proportional to 591,750.28, 816,600.18 and 323,461 is: 446,367.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,750.28 : 816,600.18 = 323,461 : x
  2. Step 2: Convert to fraction form
    591,750.28/816,600.18 = 323,461/x
  3. Step 3: Cross multiply
    591,750.28x = 816,600.18 × 323,461
  4. Step 4: Simplify right side
    591,750.28x = 264,138,310,822.98
  5. Step 5: Solve for x
    x = 264,138,310,822.98/591,750.28
  6. Step 6: Final answer
    x = 446,367.87

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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.