Home / 494,510.27-682,511.54-290,561.15

Finding the Fourth Proportional to 494,510.27, 682,511.54 and 290,561.15

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Solution

The fourth proportional to 494,510.27, 682,511.54 and 290,561.15 is: 401,025.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,510.27 : 682,511.54 = 290,561.15 : x
  2. Step 2: Convert to fraction form
    494,510.27/682,511.54 = 290,561.15/x
  3. Step 3: Cross multiply
    494,510.27x = 682,511.54 × 290,561.15
  4. Step 4: Simplify right side
    494,510.27x = 198,311,337,950.67
  5. Step 5: Solve for x
    x = 198,311,337,950.67/494,510.27
  6. Step 6: Final answer
    x = 401,025.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.