Home / 693,486.92-1,040,188.84-288,576.85

Finding the Fourth Proportional to 693,486.92, 1,040,188.84 and 288,576.85

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Solution

The fourth proportional to 693,486.92, 1,040,188.84 and 288,576.85 is: 432,847.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,486.92 : 1,040,188.84 = 288,576.85 : x
  2. Step 2: Convert to fraction form
    693,486.92/1,040,188.84 = 288,576.85/x
  3. Step 3: Cross multiply
    693,486.92x = 1,040,188.84 × 288,576.85
  4. Step 4: Simplify right side
    693,486.92x = 300,174,420,406.33
  5. Step 5: Solve for x
    x = 300,174,420,406.33/693,486.92
  6. Step 6: Final answer
    x = 432,847.99

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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.