Home / 682,321.84-1,023,468.75-303,139.78

Finding the Fourth Proportional to 682,321.84, 1,023,468.75 and 303,139.78

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Solution

The fourth proportional to 682,321.84, 1,023,468.75 and 303,139.78 is: 454,703.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,321.84 : 1,023,468.75 = 303,139.78 : x
  2. Step 2: Convert to fraction form
    682,321.84/1,023,468.75 = 303,139.78/x
  3. Step 3: Cross multiply
    682,321.84x = 1,023,468.75 × 303,139.78
  4. Step 4: Simplify right side
    682,321.84x = 310,254,089,153.20
  5. Step 5: Solve for x
    x = 310,254,089,153.20/682,321.84
  6. Step 6: Final answer
    x = 454,703.44

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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.