Home / 745,230.66-1,028,552.44-439,288.88

Finding the Fourth Proportional to 745,230.66, 1,028,552.44 and 439,288.88

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Solution

The fourth proportional to 745,230.66, 1,028,552.44 and 439,288.88 is: 606,297.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,230.66 : 1,028,552.44 = 439,288.88 : x
  2. Step 2: Convert to fraction form
    745,230.66/1,028,552.44 = 439,288.88/x
  3. Step 3: Cross multiply
    745,230.66x = 1,028,552.44 × 439,288.88
  4. Step 4: Simplify right side
    745,230.66x = 451,831,649,388.87
  5. Step 5: Solve for x
    x = 451,831,649,388.87/745,230.66
  6. Step 6: Final answer
    x = 606,297.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.