Home / 726,649.20-1,090,074.24-194,187.60

Finding the Fourth Proportional to 726,649.20, 1,090,074.24 and 194,187.60

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Solution

The fourth proportional to 726,649.20, 1,090,074.24 and 194,187.60 is: 291,308.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,649.20 : 1,090,074.24 = 194,187.60 : x
  2. Step 2: Convert to fraction form
    726,649.20/1,090,074.24 = 194,187.60/x
  3. Step 3: Cross multiply
    726,649.20x = 1,090,074.24 × 194,187.60
  4. Step 4: Simplify right side
    726,649.20x = 211,678,900,487.42
  5. Step 5: Solve for x
    x = 211,678,900,487.42/726,649.20
  6. Step 6: Final answer
    x = 291,308.24

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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.