Home / 672,806.32-1,009,209.48-273,445.54

Finding the Fourth Proportional to 672,806.32, 1,009,209.48 and 273,445.54

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Solution

The fourth proportional to 672,806.32, 1,009,209.48 and 273,445.54 is: 410,168.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,806.32 : 1,009,209.48 = 273,445.54 : x
  2. Step 2: Convert to fraction form
    672,806.32/1,009,209.48 = 273,445.54/x
  3. Step 3: Cross multiply
    672,806.32x = 1,009,209.48 × 273,445.54
  4. Step 4: Simplify right side
    672,806.32x = 275,963,831,231.72
  5. Step 5: Solve for x
    x = 275,963,831,231.72/672,806.32
  6. Step 6: Final answer
    x = 410,168.31

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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.