Home / 835,873.44-1,253,796.72-330,439.11

Finding the Fourth Proportional to 835,873.44, 1,253,796.72 and 330,439.11

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Solution

The fourth proportional to 835,873.44, 1,253,796.72 and 330,439.11 is: 495,653.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,873.44 : 1,253,796.72 = 330,439.11 : x
  2. Step 2: Convert to fraction form
    835,873.44/1,253,796.72 = 330,439.11/x
  3. Step 3: Cross multiply
    835,873.44x = 1,253,796.72 × 330,439.11
  4. Step 4: Simplify right side
    835,873.44x = 414,303,475,248.16
  5. Step 5: Solve for x
    x = 414,303,475,248.16/835,873.44
  6. Step 6: Final answer
    x = 495,653.35

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Double scale
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Similar ratio
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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.