Home / 726,339.78-1,089,684.60-227,703.78

Finding the Fourth Proportional to 726,339.78, 1,089,684.60 and 227,703.78

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Solution

The fourth proportional to 726,339.78, 1,089,684.60 and 227,703.78 is: 341,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,339.78 : 1,089,684.60 = 227,703.78 : x
  2. Step 2: Convert to fraction form
    726,339.78/1,089,684.60 = 227,703.78/x
  3. Step 3: Cross multiply
    726,339.78x = 1,089,684.60 × 227,703.78
  4. Step 4: Simplify right side
    726,339.78x = 248,125,302,427.79
  5. Step 5: Solve for x
    x = 248,125,302,427.79/726,339.78
  6. Step 6: Final answer
    x = 341,610.51

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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.