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Finding the Fourth Proportional to 529,575.09, 730,795.71 and 303,176.85

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Solution

The fourth proportional to 529,575.09, 730,795.71 and 303,176.85 is: 418,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,575.09 : 730,795.71 = 303,176.85 : x
  2. Step 2: Convert to fraction form
    529,575.09/730,795.71 = 303,176.85/x
  3. Step 3: Cross multiply
    529,575.09x = 730,795.71 × 303,176.85
  4. Step 4: Simplify right side
    529,575.09x = 221,560,341,351.31
  5. Step 5: Solve for x
    x = 221,560,341,351.31/529,575.09
  6. Step 6: Final answer
    x = 418,373.80

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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.