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Finding the Fourth Proportional to 660,970.37, 991,149.37 and 534,299.33

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Solution

The fourth proportional to 660,970.37, 991,149.37 and 534,299.33 is: 801,201.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,970.37 : 991,149.37 = 534,299.33 : x
  2. Step 2: Convert to fraction form
    660,970.37/991,149.37 = 534,299.33/x
  3. Step 3: Cross multiply
    660,970.37x = 991,149.37 × 534,299.33
  4. Step 4: Simplify right side
    660,970.37x = 529,570,438,029.43
  5. Step 5: Solve for x
    x = 529,570,438,029.43/660,970.37
  6. Step 6: Final answer
    x = 801,201.49

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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.