Home / 682,819.94-942,291.57-376,896.39

Finding the Fourth Proportional to 682,819.94, 942,291.57 and 376,896.39

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Solution

The fourth proportional to 682,819.94, 942,291.57 and 376,896.39 is: 520,117.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,819.94 : 942,291.57 = 376,896.39 : x
  2. Step 2: Convert to fraction form
    682,819.94/942,291.57 = 376,896.39/x
  3. Step 3: Cross multiply
    682,819.94x = 942,291.57 × 376,896.39
  4. Step 4: Simplify right side
    682,819.94x = 355,146,291,531.68
  5. Step 5: Solve for x
    x = 355,146,291,531.68/682,819.94
  6. Step 6: Final answer
    x = 520,117.05

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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.