Home / 864,387.27-1,191,745.54-708,765.20

Finding the Fourth Proportional to 864,387.27, 1,191,745.54 and 708,765.20

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Solution

The fourth proportional to 864,387.27, 1,191,745.54 and 708,765.20 is: 977,186.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,387.27 : 1,191,745.54 = 708,765.20 : x
  2. Step 2: Convert to fraction form
    864,387.27/1,191,745.54 = 708,765.20/x
  3. Step 3: Cross multiply
    864,387.27x = 1,191,745.54 × 708,765.20
  4. Step 4: Simplify right side
    864,387.27x = 844,667,756,504.65
  5. Step 5: Solve for x
    x = 844,667,756,504.65/864,387.27
  6. Step 6: Final answer
    x = 977,186.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.