Home / 826,420.32-1,239,467.12-227,226.88

Finding the Fourth Proportional to 826,420.32, 1,239,467.12 and 227,226.88

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Solution

The fourth proportional to 826,420.32, 1,239,467.12 and 227,226.88 is: 340,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,420.32 : 1,239,467.12 = 227,226.88 : x
  2. Step 2: Convert to fraction form
    826,420.32/1,239,467.12 = 227,226.88/x
  3. Step 3: Cross multiply
    826,420.32x = 1,239,467.12 × 227,226.88
  4. Step 4: Simplify right side
    826,420.32x = 281,640,246,540.19
  5. Step 5: Solve for x
    x = 281,640,246,540.19/826,420.32
  6. Step 6: Final answer
    x = 340,795.40

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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.