Home / 802,229.97-1,107,052.31-439,647.24

Finding the Fourth Proportional to 802,229.97, 1,107,052.31 and 439,647.24

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Solution

The fourth proportional to 802,229.97, 1,107,052.31 and 439,647.24 is: 606,699.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,229.97 : 1,107,052.31 = 439,647.24 : x
  2. Step 2: Convert to fraction form
    802,229.97/1,107,052.31 = 439,647.24/x
  3. Step 3: Cross multiply
    802,229.97x = 1,107,052.31 × 439,647.24
  4. Step 4: Simplify right side
    802,229.97x = 486,712,492,627.12
  5. Step 5: Solve for x
    x = 486,712,492,627.12/802,229.97
  6. Step 6: Final answer
    x = 606,699.46

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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.