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Finding the Fourth Proportional to 529,847.72, 731,209.04 and 303,536.96

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Solution

The fourth proportional to 529,847.72, 731,209.04 and 303,536.96 is: 418,892.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,847.72 : 731,209.04 = 303,536.96 : x
  2. Step 2: Convert to fraction form
    529,847.72/731,209.04 = 303,536.96/x
  3. Step 3: Cross multiply
    529,847.72x = 731,209.04 × 303,536.96
  4. Step 4: Simplify right side
    529,847.72x = 221,948,969,126.12
  5. Step 5: Solve for x
    x = 221,948,969,126.12/529,847.72
  6. Step 6: Final answer
    x = 418,892.00

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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.