Home / 682,835.87-942,313.55-376,912.33

Finding the Fourth Proportional to 682,835.87, 942,313.55 and 376,912.33

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Solution

The fourth proportional to 682,835.87, 942,313.55 and 376,912.33 is: 520,139.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,835.87 : 942,313.55 = 376,912.33 : x
  2. Step 2: Convert to fraction form
    682,835.87/942,313.55 = 376,912.33/x
  3. Step 3: Cross multiply
    682,835.87x = 942,313.55 × 376,912.33
  4. Step 4: Simplify right side
    682,835.87x = 355,169,592,275.73
  5. Step 5: Solve for x
    x = 355,169,592,275.73/682,835.87
  6. Step 6: Final answer
    x = 520,139.04

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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.