Home / 855,217.50-1,284,487.02-629,687.22

Finding the Fourth Proportional to 855,217.50, 1,284,487.02 and 629,687.22

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Solution

The fourth proportional to 855,217.50, 1,284,487.02 and 629,687.22 is: 945,753.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,217.50 : 1,284,487.02 = 629,687.22 : x
  2. Step 2: Convert to fraction form
    855,217.50/1,284,487.02 = 629,687.22/x
  3. Step 3: Cross multiply
    855,217.50x = 1,284,487.02 × 629,687.22
  4. Step 4: Simplify right side
    855,217.50x = 808,825,060,749.88
  5. Step 5: Solve for x
    x = 808,825,060,749.88/855,217.50
  6. Step 6: Final answer
    x = 945,753.64

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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.