Home / 682,404.93-1,023,570.49-209,091.66

Finding the Fourth Proportional to 682,404.93, 1,023,570.49 and 209,091.66

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Solution

The fourth proportional to 682,404.93, 1,023,570.49 and 209,091.66 is: 313,626.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,404.93 : 1,023,570.49 = 209,091.66 : x
  2. Step 2: Convert to fraction form
    682,404.93/1,023,570.49 = 209,091.66/x
  3. Step 3: Cross multiply
    682,404.93x = 1,023,570.49 × 209,091.66
  4. Step 4: Simplify right side
    682,404.93x = 214,020,051,835.66
  5. Step 5: Solve for x
    x = 214,020,051,835.66/682,404.93
  6. Step 6: Final answer
    x = 313,626.18

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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.