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Finding the Fourth Proportional to 661,950.52, 991,978.52 and 377,052.94

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Solution

The fourth proportional to 661,950.52, 991,978.52 and 377,052.94 is: 565,039.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,950.52 : 991,978.52 = 377,052.94 : x
  2. Step 2: Convert to fraction form
    661,950.52/991,978.52 = 377,052.94/x
  3. Step 3: Cross multiply
    661,950.52x = 991,978.52 × 377,052.94
  4. Step 4: Simplify right side
    661,950.52x = 374,028,417,382.85
  5. Step 5: Solve for x
    x = 374,028,417,382.85/661,950.52
  6. Step 6: Final answer
    x = 565,039.84

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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.