Home / 798,699.71-1,198,627.64-312,453.59

Finding the Fourth Proportional to 798,699.71, 1,198,627.64 and 312,453.59

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Solution

The fourth proportional to 798,699.71, 1,198,627.64 and 312,453.59 is: 468,906.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,699.71 : 1,198,627.64 = 312,453.59 : x
  2. Step 2: Convert to fraction form
    798,699.71/1,198,627.64 = 312,453.59/x
  3. Step 3: Cross multiply
    798,699.71x = 1,198,627.64 × 312,453.59
  4. Step 4: Simplify right side
    798,699.71x = 374,515,501,635.82
  5. Step 5: Solve for x
    x = 374,515,501,635.82/798,699.71
  6. Step 6: Final answer
    x = 468,906.52

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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.