Home / 719,783.28-1,080,339.19-365,046.41

Finding the Fourth Proportional to 719,783.28, 1,080,339.19 and 365,046.41

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Solution

The fourth proportional to 719,783.28, 1,080,339.19 and 365,046.41 is: 547,906.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,783.28 : 1,080,339.19 = 365,046.41 : x
  2. Step 2: Convert to fraction form
    719,783.28/1,080,339.19 = 365,046.41/x
  3. Step 3: Cross multiply
    719,783.28x = 1,080,339.19 × 365,046.41
  4. Step 4: Simplify right side
    719,783.28x = 394,373,944,680.04
  5. Step 5: Solve for x
    x = 394,373,944,680.04/719,783.28
  6. Step 6: Final answer
    x = 547,906.51

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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.