Home / 856,050.99-1,284,092.87-279,675.86

Finding the Fourth Proportional to 856,050.99, 1,284,092.87 and 279,675.86

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Solution

The fourth proportional to 856,050.99, 1,284,092.87 and 279,675.86 is: 419,519.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,050.99 : 1,284,092.87 = 279,675.86 : x
  2. Step 2: Convert to fraction form
    856,050.99/1,284,092.87 = 279,675.86/x
  3. Step 3: Cross multiply
    856,050.99x = 1,284,092.87 × 279,675.86
  4. Step 4: Simplify right side
    856,050.99x = 359,129,780,900.28
  5. Step 5: Solve for x
    x = 359,129,780,900.28/856,050.99
  6. Step 6: Final answer
    x = 419,519.15

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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.