Home / 755,614.07-1,133,418.54-306,333.88

Finding the Fourth Proportional to 755,614.07, 1,133,418.54 and 306,333.88

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Solution

The fourth proportional to 755,614.07, 1,133,418.54 and 306,333.88 is: 459,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,614.07 : 1,133,418.54 = 306,333.88 : x
  2. Step 2: Convert to fraction form
    755,614.07/1,133,418.54 = 306,333.88/x
  3. Step 3: Cross multiply
    755,614.07x = 1,133,418.54 × 306,333.88
  4. Step 4: Simplify right side
    755,614.07x = 347,204,501,989.69
  5. Step 5: Solve for x
    x = 347,204,501,989.69/755,614.07
  6. Step 6: Final answer
    x = 459,499.78

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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.