Home / 753,691.58-1,039,977.29-447,760.10

Finding the Fourth Proportional to 753,691.58, 1,039,977.29 and 447,760.10

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Solution

The fourth proportional to 753,691.58, 1,039,977.29 and 447,760.10 is: 617,839.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,691.58 : 1,039,977.29 = 447,760.10 : x
  2. Step 2: Convert to fraction form
    753,691.58/1,039,977.29 = 447,760.10/x
  3. Step 3: Cross multiply
    753,691.58x = 1,039,977.29 × 447,760.10
  4. Step 4: Simplify right side
    753,691.58x = 465,660,333,450.88
  5. Step 5: Solve for x
    x = 465,660,333,450.88/753,691.58
  6. Step 6: Final answer
    x = 617,839.37

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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.