Home / 765,372.39-1,056,149.52-450,994.38

Finding the Fourth Proportional to 765,372.39, 1,056,149.52 and 450,994.38

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Solution

The fourth proportional to 765,372.39, 1,056,149.52 and 450,994.38 is: 622,334.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,372.39 : 1,056,149.52 = 450,994.38 : x
  2. Step 2: Convert to fraction form
    765,372.39/1,056,149.52 = 450,994.38/x
  3. Step 3: Cross multiply
    765,372.39x = 1,056,149.52 × 450,994.38
  4. Step 4: Simplify right side
    765,372.39x = 476,317,497,959.70
  5. Step 5: Solve for x
    x = 476,317,497,959.70/765,372.39
  6. Step 6: Final answer
    x = 622,334.31

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1.5x scale

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.