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Finding the Fourth Proportional to 483,144.46, 724,433.59 and 323,402.34

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Solution

The fourth proportional to 483,144.46, 724,433.59 and 323,402.34 is: 484,914.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,144.46 : 724,433.59 = 323,402.34 : x
  2. Step 2: Convert to fraction form
    483,144.46/724,433.59 = 323,402.34/x
  3. Step 3: Cross multiply
    483,144.46x = 724,433.59 × 323,402.34
  4. Step 4: Simplify right side
    483,144.46x = 234,283,518,180.60
  5. Step 5: Solve for x
    x = 234,283,518,180.60/483,144.46
  6. Step 6: Final answer
    x = 484,914.01

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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.