Home / 744,490.34-1,027,313.18-438,546.81

Finding the Fourth Proportional to 744,490.34, 1,027,313.18 and 438,546.81

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Solution

The fourth proportional to 744,490.34, 1,027,313.18 and 438,546.81 is: 605,145.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,490.34 : 1,027,313.18 = 438,546.81 : x
  2. Step 2: Convert to fraction form
    744,490.34/1,027,313.18 = 438,546.81/x
  3. Step 3: Cross multiply
    744,490.34x = 1,027,313.18 × 438,546.81
  4. Step 4: Simplify right side
    744,490.34x = 450,524,915,485.56
  5. Step 5: Solve for x
    x = 450,524,915,485.56/744,490.34
  6. Step 6: Final answer
    x = 605,145.42

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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.