Home / 682,621.92-1,023,894.60-209,305.98

Finding the Fourth Proportional to 682,621.92, 1,023,894.60 and 209,305.98

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Solution

The fourth proportional to 682,621.92, 1,023,894.60 and 209,305.98 is: 313,947.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,621.92 : 1,023,894.60 = 209,305.98 : x
  2. Step 2: Convert to fraction form
    682,621.92/1,023,894.60 = 209,305.98/x
  3. Step 3: Cross multiply
    682,621.92x = 1,023,894.60 × 209,305.98
  4. Step 4: Simplify right side
    682,621.92x = 214,307,262,669.71
  5. Step 5: Solve for x
    x = 214,307,262,669.71/682,621.92
  6. Step 6: Final answer
    x = 313,947.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.