Home / 809,122.42-1,213,308.19-472,260.03

Finding the Fourth Proportional to 809,122.42, 1,213,308.19 and 472,260.03

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Solution

The fourth proportional to 809,122.42, 1,213,308.19 and 472,260.03 is: 708,170.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,122.42 : 1,213,308.19 = 472,260.03 : x
  2. Step 2: Convert to fraction form
    809,122.42/1,213,308.19 = 472,260.03/x
  3. Step 3: Cross multiply
    809,122.42x = 1,213,308.19 × 472,260.03
  4. Step 4: Simplify right side
    809,122.42x = 572,996,962,208.65
  5. Step 5: Solve for x
    x = 572,996,962,208.65/809,122.42
  6. Step 6: Final answer
    x = 708,170.91

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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.