Home / 821,073.21-1,132,759.26-476,850.30

Finding the Fourth Proportional to 821,073.21, 1,132,759.26 and 476,850.30

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Solution

The fourth proportional to 821,073.21, 1,132,759.26 and 476,850.30 is: 657,866.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,073.21 : 1,132,759.26 = 476,850.30 : x
  2. Step 2: Convert to fraction form
    821,073.21/1,132,759.26 = 476,850.30/x
  3. Step 3: Cross multiply
    821,073.21x = 1,132,759.26 × 476,850.30
  4. Step 4: Simplify right side
    821,073.21x = 540,156,592,958.78
  5. Step 5: Solve for x
    x = 540,156,592,958.78/821,073.21
  6. Step 6: Final answer
    x = 657,866.54

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Double scale
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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.