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Finding the Fourth Proportional to 482,277.80, 723,578.76 and 338,333.64

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Solution

The fourth proportional to 482,277.80, 723,578.76 and 338,333.64 is: 507,614.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,277.80 : 723,578.76 = 338,333.64 : x
  2. Step 2: Convert to fraction form
    482,277.80/723,578.76 = 338,333.64/x
  3. Step 3: Cross multiply
    482,277.80x = 723,578.76 × 338,333.64
  4. Step 4: Simplify right side
    482,277.80x = 244,811,035,697.49
  5. Step 5: Solve for x
    x = 244,811,035,697.49/482,277.80
  6. Step 6: Final answer
    x = 507,614.16

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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.