Home / 744,370.20-1,027,201.23-404,838.72

Finding the Fourth Proportional to 744,370.20, 1,027,201.23 and 404,838.72

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Solution

The fourth proportional to 744,370.20, 1,027,201.23 and 404,838.72 is: 558,661.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,370.20 : 1,027,201.23 = 404,838.72 : x
  2. Step 2: Convert to fraction form
    744,370.20/1,027,201.23 = 404,838.72/x
  3. Step 3: Cross multiply
    744,370.20x = 1,027,201.23 × 404,838.72
  4. Step 4: Simplify right side
    744,370.20x = 415,850,831,135.63
  5. Step 5: Solve for x
    x = 415,850,831,135.63/744,370.20
  6. Step 6: Final answer
    x = 558,661.31

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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.