Home / 821,331.92-1,133,425.92-458,761.06

Finding the Fourth Proportional to 821,331.92, 1,133,425.92 and 458,761.06

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Solution

The fourth proportional to 821,331.92, 1,133,425.92 and 458,761.06 is: 633,083.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,331.92 : 1,133,425.92 = 458,761.06 : x
  2. Step 2: Convert to fraction form
    821,331.92/1,133,425.92 = 458,761.06/x
  3. Step 3: Cross multiply
    821,331.92x = 1,133,425.92 × 458,761.06
  4. Step 4: Simplify right side
    821,331.92x = 519,971,676,490.68
  5. Step 5: Solve for x
    x = 519,971,676,490.68/821,331.92
  6. Step 6: Final answer
    x = 633,083.49

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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.