Home / 682,403.84-1,023,568.82-209,090.56

Finding the Fourth Proportional to 682,403.84, 1,023,568.82 and 209,090.56

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Solution

The fourth proportional to 682,403.84, 1,023,568.82 and 209,090.56 is: 313,624.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,403.84 : 1,023,568.82 = 209,090.56 : x
  2. Step 2: Convert to fraction form
    682,403.84/1,023,568.82 = 209,090.56/x
  3. Step 3: Cross multiply
    682,403.84x = 1,023,568.82 × 209,090.56
  4. Step 4: Simplify right side
    682,403.84x = 214,018,580,853.99
  5. Step 5: Solve for x
    x = 214,018,580,853.99/682,403.84
  6. Step 6: Final answer
    x = 313,624.53

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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.