Home / 821,326.83-1,133,418.99-458,755.93

Finding the Fourth Proportional to 821,326.83, 1,133,418.99 and 458,755.93

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Solution

The fourth proportional to 821,326.83, 1,133,418.99 and 458,755.93 is: 633,076.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,326.83 : 1,133,418.99 = 458,755.93 : x
  2. Step 2: Convert to fraction form
    821,326.83/1,133,418.99 = 458,755.93/x
  3. Step 3: Cross multiply
    821,326.83x = 1,133,418.99 × 458,755.93
  4. Step 4: Simplify right side
    821,326.83x = 519,962,682,837.11
  5. Step 5: Solve for x
    x = 519,962,682,837.11/821,326.83
  6. Step 6: Final answer
    x = 633,076.46

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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.