Home / 799,645.97-1,102,797.18-663,464.32

Finding the Fourth Proportional to 799,645.97, 1,102,797.18 and 663,464.32

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Solution

The fourth proportional to 799,645.97, 1,102,797.18 and 663,464.32 is: 914,988.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,645.97 : 1,102,797.18 = 663,464.32 : x
  2. Step 2: Convert to fraction form
    799,645.97/1,102,797.18 = 663,464.32/x
  3. Step 3: Cross multiply
    799,645.97x = 1,102,797.18 × 663,464.32
  4. Step 4: Simplify right side
    799,645.97x = 731,666,578,369.63
  5. Step 5: Solve for x
    x = 731,666,578,369.63/799,645.97
  6. Step 6: Final answer
    x = 914,988.14

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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.