Home / 744,912.59-1,028,002.70-422,636.27

Finding the Fourth Proportional to 744,912.59, 1,028,002.70 and 422,636.27

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Solution

The fourth proportional to 744,912.59, 1,028,002.70 and 422,636.27 is: 583,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,912.59 : 1,028,002.70 = 422,636.27 : x
  2. Step 2: Convert to fraction form
    744,912.59/1,028,002.70 = 422,636.27/x
  3. Step 3: Cross multiply
    744,912.59x = 1,028,002.70 × 422,636.27
  4. Step 4: Simplify right side
    744,912.59x = 434,471,226,677.93
  5. Step 5: Solve for x
    x = 434,471,226,677.93/744,912.59
  6. Step 6: Final answer
    x = 583,251.29

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1.5x scale

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.