Home / 744,884.42-1,027,856.76-438,940.94

Finding the Fourth Proportional to 744,884.42, 1,027,856.76 and 438,940.94

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Solution

The fourth proportional to 744,884.42, 1,027,856.76 and 438,940.94 is: 605,689.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,884.42 : 1,027,856.76 = 438,940.94 : x
  2. Step 2: Convert to fraction form
    744,884.42/1,027,856.76 = 438,940.94/x
  3. Step 3: Cross multiply
    744,884.42x = 1,027,856.76 × 438,940.94
  4. Step 4: Simplify right side
    744,884.42x = 451,168,412,419.75
  5. Step 5: Solve for x
    x = 451,168,412,419.75/744,884.42
  6. Step 6: Final answer
    x = 605,689.15

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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.