Home / 777,629.04-1,073,150.82-455,308.98

Finding the Fourth Proportional to 777,629.04, 1,073,150.82 and 455,308.98

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Solution

The fourth proportional to 777,629.04, 1,073,150.82 and 455,308.98 is: 628,339.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,629.04 : 1,073,150.82 = 455,308.98 : x
  2. Step 2: Convert to fraction form
    777,629.04/1,073,150.82 = 455,308.98/x
  3. Step 3: Cross multiply
    777,629.04x = 1,073,150.82 × 455,308.98
  4. Step 4: Simplify right side
    777,629.04x = 488,615,205,240.36
  5. Step 5: Solve for x
    x = 488,615,205,240.36/777,629.04
  6. Step 6: Final answer
    x = 628,339.71

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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.