Home / 682,424.42-1,023,599.66-209,111.15

Finding the Fourth Proportional to 682,424.42, 1,023,599.66 and 209,111.15

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Solution

The fourth proportional to 682,424.42, 1,023,599.66 and 209,111.15 is: 313,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,424.42 : 1,023,599.66 = 209,111.15 : x
  2. Step 2: Convert to fraction form
    682,424.42/1,023,599.66 = 209,111.15/x
  3. Step 3: Cross multiply
    682,424.42x = 1,023,599.66 × 209,111.15
  4. Step 4: Simplify right side
    682,424.42x = 214,046,103,555.65
  5. Step 5: Solve for x
    x = 214,046,103,555.65/682,424.42
  6. Step 6: Final answer
    x = 313,655.40

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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.