Home / 744,940.34-1,028,040.87-422,664.02

Finding the Fourth Proportional to 744,940.34, 1,028,040.87 and 422,664.02

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Solution

The fourth proportional to 744,940.34, 1,028,040.87 and 422,664.02 is: 583,289.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,940.34 : 1,028,040.87 = 422,664.02 : x
  2. Step 2: Convert to fraction form
    744,940.34/1,028,040.87 = 422,664.02/x
  3. Step 3: Cross multiply
    744,940.34x = 1,028,040.87 × 422,664.02
  4. Step 4: Simplify right side
    744,940.34x = 434,515,886,838.50
  5. Step 5: Solve for x
    x = 434,515,886,838.50/744,940.34
  6. Step 6: Final answer
    x = 583,289.51

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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.