Home / 846,967.22-1,270,181.38-278,216.36

Finding the Fourth Proportional to 846,967.22, 1,270,181.38 and 278,216.36

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Solution

The fourth proportional to 846,967.22, 1,270,181.38 and 278,216.36 is: 417,236.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,967.22 : 1,270,181.38 = 278,216.36 : x
  2. Step 2: Convert to fraction form
    846,967.22/1,270,181.38 = 278,216.36/x
  3. Step 3: Cross multiply
    846,967.22x = 1,270,181.38 × 278,216.36
  4. Step 4: Simplify right side
    846,967.22x = 353,385,243,258.83
  5. Step 5: Solve for x
    x = 353,385,243,258.83/846,967.22
  6. Step 6: Final answer
    x = 417,236.04

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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.