Home / 890,836.32-1,336,112.24-259,602.48

Finding the Fourth Proportional to 890,836.32, 1,336,112.24 and 259,602.48

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Solution

The fourth proportional to 890,836.32, 1,336,112.24 and 259,602.48 is: 389,362.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,836.32 : 1,336,112.24 = 259,602.48 : x
  2. Step 2: Convert to fraction form
    890,836.32/1,336,112.24 = 259,602.48/x
  3. Step 3: Cross multiply
    890,836.32x = 1,336,112.24 × 259,602.48
  4. Step 4: Simplify right side
    890,836.32x = 346,858,051,062.36
  5. Step 5: Solve for x
    x = 346,858,051,062.36/890,836.32
  6. Step 6: Final answer
    x = 389,362.27

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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.