Home / 827,530.24-1,241,293.48-220,318.72

Finding the Fourth Proportional to 827,530.24, 1,241,293.48 and 220,318.72

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Solution

The fourth proportional to 827,530.24, 1,241,293.48 and 220,318.72 is: 330,477.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,530.24 : 1,241,293.48 = 220,318.72 : x
  2. Step 2: Convert to fraction form
    827,530.24/1,241,293.48 = 220,318.72/x
  3. Step 3: Cross multiply
    827,530.24x = 1,241,293.48 × 220,318.72
  4. Step 4: Simplify right side
    827,530.24x = 273,480,190,657.95
  5. Step 5: Solve for x
    x = 273,480,190,657.95/827,530.24
  6. Step 6: Final answer
    x = 330,477.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.