Home / 744,769.03-1,027,856.91-438,943.89

Finding the Fourth Proportional to 744,769.03, 1,027,856.91 and 438,943.89

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Solution

The fourth proportional to 744,769.03, 1,027,856.91 and 438,943.89 is: 605,787.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,769.03 : 1,027,856.91 = 438,943.89 : x
  2. Step 2: Convert to fraction form
    744,769.03/1,027,856.91 = 438,943.89/x
  3. Step 3: Cross multiply
    744,769.03x = 1,027,856.91 × 438,943.89
  4. Step 4: Simplify right side
    744,769.03x = 451,171,510,438.78
  5. Step 5: Solve for x
    x = 451,171,510,438.78/744,769.03
  6. Step 6: Final answer
    x = 605,787.15

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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.