Home / 820,843.44-1,132,868.44-476,610.84

Finding the Fourth Proportional to 820,843.44, 1,132,868.44 and 476,610.84

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Solution

The fourth proportional to 820,843.44, 1,132,868.44 and 476,610.84 is: 657,783.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,843.44 : 1,132,868.44 = 476,610.84 : x
  2. Step 2: Convert to fraction form
    820,843.44/1,132,868.44 = 476,610.84/x
  3. Step 3: Cross multiply
    820,843.44x = 1,132,868.44 × 476,610.84
  4. Step 4: Simplify right side
    820,843.44x = 539,937,372,464.46
  5. Step 5: Solve for x
    x = 539,937,372,464.46/820,843.44
  6. Step 6: Final answer
    x = 657,783.63

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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.