Home / 744,309.12-1,027,124.64-422,048.64

Finding the Fourth Proportional to 744,309.12, 1,027,124.64 and 422,048.64

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Solution

The fourth proportional to 744,309.12, 1,027,124.64 and 422,048.64 is: 582,414.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,309.12 : 1,027,124.64 = 422,048.64 : x
  2. Step 2: Convert to fraction form
    744,309.12/1,027,124.64 = 422,048.64/x
  3. Step 3: Cross multiply
    744,309.12x = 1,027,124.64 × 422,048.64
  4. Step 4: Simplify right side
    744,309.12x = 433,496,557,422.49
  5. Step 5: Solve for x
    x = 433,496,557,422.49/744,309.12
  6. Step 6: Final answer
    x = 582,414.68

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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.