Home / 726,502.47-1,089,794.66-221,079.88

Finding the Fourth Proportional to 726,502.47, 1,089,794.66 and 221,079.88

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Solution

The fourth proportional to 726,502.47, 1,089,794.66 and 221,079.88 is: 331,632.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,502.47 : 1,089,794.66 = 221,079.88 : x
  2. Step 2: Convert to fraction form
    726,502.47/1,089,794.66 = 221,079.88/x
  3. Step 3: Cross multiply
    726,502.47x = 1,089,794.66 × 221,079.88
  4. Step 4: Simplify right side
    726,502.47x = 240,931,672,914.29
  5. Step 5: Solve for x
    x = 240,931,672,914.29/726,502.47
  6. Step 6: Final answer
    x = 331,632.28

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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.