Home / 938,062.76-1,407,079.20-298,357.28

Finding the Fourth Proportional to 938,062.76, 1,407,079.20 and 298,357.28

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Solution

The fourth proportional to 938,062.76, 1,407,079.20 and 298,357.28 is: 447,531.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,062.76 : 1,407,079.20 = 298,357.28 : x
  2. Step 2: Convert to fraction form
    938,062.76/1,407,079.20 = 298,357.28/x
  3. Step 3: Cross multiply
    938,062.76x = 1,407,079.20 × 298,357.28
  4. Step 4: Simplify right side
    938,062.76x = 419,812,322,856.58
  5. Step 5: Solve for x
    x = 419,812,322,856.58/938,062.76
  6. Step 6: Final answer
    x = 447,531.17

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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.