Home / 864,006.80-1,296,010.20-486,093.20

Finding the Fourth Proportional to 864,006.80, 1,296,010.20 and 486,093.20

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Solution

The fourth proportional to 864,006.80, 1,296,010.20 and 486,093.20 is: 729,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,006.80 : 1,296,010.20 = 486,093.20 : x
  2. Step 2: Convert to fraction form
    864,006.80/1,296,010.20 = 486,093.20/x
  3. Step 3: Cross multiply
    864,006.80x = 1,296,010.20 × 486,093.20
  4. Step 4: Simplify right side
    864,006.80x = 629,981,745,350.64
  5. Step 5: Solve for x
    x = 629,981,745,350.64/864,006.80
  6. Step 6: Final answer
    x = 729,139.80

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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.