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Finding the Fourth Proportional to 529,640.52, 730,900.87 and 300,241.08

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Solution

The fourth proportional to 529,640.52, 730,900.87 and 300,241.08 is: 414,330.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,640.52 : 730,900.87 = 300,241.08 : x
  2. Step 2: Convert to fraction form
    529,640.52/730,900.87 = 300,241.08/x
  3. Step 3: Cross multiply
    529,640.52x = 730,900.87 × 300,241.08
  4. Step 4: Simplify right side
    529,640.52x = 219,446,465,831.14
  5. Step 5: Solve for x
    x = 219,446,465,831.14/529,640.52
  6. Step 6: Final answer
    x = 414,330.96

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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.