Home / 411,922.53-618,918.98-262,229.67

Finding the Fourth Proportional to 411,922.53, 618,918.98 and 262,229.67

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Solution

The fourth proportional to 411,922.53, 618,918.98 and 262,229.67 is: 394,003.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,922.53 : 618,918.98 = 262,229.67 : x
  2. Step 2: Convert to fraction form
    411,922.53/618,918.98 = 262,229.67/x
  3. Step 3: Cross multiply
    411,922.53x = 618,918.98 × 262,229.67
  4. Step 4: Simplify right side
    411,922.53x = 162,298,918,570.99
  5. Step 5: Solve for x
    x = 162,298,918,570.99/411,922.53
  6. Step 6: Final answer
    x = 394,003.50

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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.