Home / 821,067.21-1,132,750.98-476,844.30

Finding the Fourth Proportional to 821,067.21, 1,132,750.98 and 476,844.30

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Solution

The fourth proportional to 821,067.21, 1,132,750.98 and 476,844.30 is: 657,858.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,067.21 : 1,132,750.98 = 476,844.30 : x
  2. Step 2: Convert to fraction form
    821,067.21/1,132,750.98 = 476,844.30/x
  3. Step 3: Cross multiply
    821,067.21x = 1,132,750.98 × 476,844.30
  4. Step 4: Simplify right side
    821,067.21x = 540,145,848,132.41
  5. Step 5: Solve for x
    x = 540,145,848,132.41/821,067.21
  6. Step 6: Final answer
    x = 657,858.26

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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.