Home / 682,403.59-1,023,568.45-209,090.31

Finding the Fourth Proportional to 682,403.59, 1,023,568.45 and 209,090.31

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Solution

The fourth proportional to 682,403.59, 1,023,568.45 and 209,090.31 is: 313,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,403.59 : 1,023,568.45 = 209,090.31 : x
  2. Step 2: Convert to fraction form
    682,403.59/1,023,568.45 = 209,090.31/x
  3. Step 3: Cross multiply
    682,403.59x = 1,023,568.45 × 209,090.31
  4. Step 4: Simplify right side
    682,403.59x = 214,018,245,913.19
  5. Step 5: Solve for x
    x = 214,018,245,913.19/682,403.59
  6. Step 6: Final answer
    x = 313,624.15

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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.