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Finding the Fourth Proportional to 529,838.08, 731,195.78 and 303,527.32

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Solution

The fourth proportional to 529,838.08, 731,195.78 and 303,527.32 is: 418,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,838.08 : 731,195.78 = 303,527.32 : x
  2. Step 2: Convert to fraction form
    529,838.08/731,195.78 = 303,527.32/x
  3. Step 3: Cross multiply
    529,838.08x = 731,195.78 × 303,527.32
  4. Step 4: Simplify right side
    529,838.08x = 221,937,892,153.08
  5. Step 5: Solve for x
    x = 221,937,892,153.08/529,838.08
  6. Step 6: Final answer
    x = 418,878.71

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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.