Home / 752,457.93-1,128,683.85-272,573.56

Finding the Fourth Proportional to 752,457.93, 1,128,683.85 and 272,573.56

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Solution

The fourth proportional to 752,457.93, 1,128,683.85 and 272,573.56 is: 408,859.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,457.93 : 1,128,683.85 = 272,573.56 : x
  2. Step 2: Convert to fraction form
    752,457.93/1,128,683.85 = 272,573.56/x
  3. Step 3: Cross multiply
    752,457.93x = 1,128,683.85 × 272,573.56
  4. Step 4: Simplify right side
    752,457.93x = 307,649,375,109.01
  5. Step 5: Solve for x
    x = 307,649,375,109.01/752,457.93
  6. Step 6: Final answer
    x = 408,859.24

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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.