Home / 825,438.20-1,238,157.30-293,013.05

Finding the Fourth Proportional to 825,438.20, 1,238,157.30 and 293,013.05

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Solution

The fourth proportional to 825,438.20, 1,238,157.30 and 293,013.05 is: 439,519.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,438.20 : 1,238,157.30 = 293,013.05 : x
  2. Step 2: Convert to fraction form
    825,438.20/1,238,157.30 = 293,013.05/x
  3. Step 3: Cross multiply
    825,438.20x = 1,238,157.30 × 293,013.05
  4. Step 4: Simplify right side
    825,438.20x = 362,796,246,852.77
  5. Step 5: Solve for x
    x = 362,796,246,852.77/825,438.20
  6. Step 6: Final answer
    x = 439,519.58

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Double scale
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Similar ratio
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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.