Home / 682,422.93-1,023,597.45-209,109.69

Finding the Fourth Proportional to 682,422.93, 1,023,597.45 and 209,109.69

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Solution

The fourth proportional to 682,422.93, 1,023,597.45 and 209,109.69 is: 313,653.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,422.93 : 1,023,597.45 = 209,109.69 : x
  2. Step 2: Convert to fraction form
    682,422.93/1,023,597.45 = 209,109.69/x
  3. Step 3: Cross multiply
    682,422.93x = 1,023,597.45 × 209,109.69
  4. Step 4: Simplify right side
    682,422.93x = 214,044,145,454.29
  5. Step 5: Solve for x
    x = 214,044,145,454.29/682,422.93
  6. Step 6: Final answer
    x = 313,653.21

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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.