Home / 925,450.88-1,386,922.08-419,380.16

Finding the Fourth Proportional to 925,450.88, 1,386,922.08 and 419,380.16

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Solution

The fourth proportional to 925,450.88, 1,386,922.08 and 419,380.16 is: 628,501.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,450.88 : 1,386,922.08 = 419,380.16 : x
  2. Step 2: Convert to fraction form
    925,450.88/1,386,922.08 = 419,380.16/x
  3. Step 3: Cross multiply
    925,450.88x = 1,386,922.08 × 419,380.16
  4. Step 4: Simplify right side
    925,450.88x = 581,647,603,817.93
  5. Step 5: Solve for x
    x = 581,647,603,817.93/925,450.88
  6. Step 6: Final answer
    x = 628,501.86

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1.5x scale

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.