Home / 821,331.82-1,133,425.88-458,760.94

Finding the Fourth Proportional to 821,331.82, 1,133,425.88 and 458,760.94

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Solution

The fourth proportional to 821,331.82, 1,133,425.88 and 458,760.94 is: 633,083.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,331.82 : 1,133,425.88 = 458,760.94 : x
  2. Step 2: Convert to fraction form
    821,331.82/1,133,425.88 = 458,760.94/x
  3. Step 3: Cross multiply
    821,331.82x = 1,133,425.88 × 458,760.94
  4. Step 4: Simplify right side
    821,331.82x = 519,971,522,129.13
  5. Step 5: Solve for x
    x = 519,971,522,129.13/821,331.82
  6. Step 6: Final answer
    x = 633,083.38

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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.