Home / 872,721.92-1,204,363.52-490,745.44

Finding the Fourth Proportional to 872,721.92, 1,204,363.52 and 490,745.44

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Solution

The fourth proportional to 872,721.92, 1,204,363.52 and 490,745.44 is: 677,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,721.92 : 1,204,363.52 = 490,745.44 : x
  2. Step 2: Convert to fraction form
    872,721.92/1,204,363.52 = 490,745.44/x
  3. Step 3: Cross multiply
    872,721.92x = 1,204,363.52 × 490,745.44
  4. Step 4: Simplify right side
    872,721.92x = 591,035,905,542.35
  5. Step 5: Solve for x
    x = 591,035,905,542.35/872,721.92
  6. Step 6: Final answer
    x = 677,232.80

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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.