Home / 809,458.31-1,213,975.82-240,686.24

Finding the Fourth Proportional to 809,458.31, 1,213,975.82 and 240,686.24

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Solution

The fourth proportional to 809,458.31, 1,213,975.82 and 240,686.24 is: 360,966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,458.31 : 1,213,975.82 = 240,686.24 : x
  2. Step 2: Convert to fraction form
    809,458.31/1,213,975.82 = 240,686.24/x
  3. Step 3: Cross multiply
    809,458.31x = 1,213,975.82 × 240,686.24
  4. Step 4: Simplify right side
    809,458.31x = 292,187,270,098.55
  5. Step 5: Solve for x
    x = 292,187,270,098.55/809,458.31
  6. Step 6: Final answer
    x = 360,966.42

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Double scale
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1.5x scale

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.