Home / 829,099.48-1,243,510.10-230,121.48

Finding the Fourth Proportional to 829,099.48, 1,243,510.10 and 230,121.48

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Solution

The fourth proportional to 829,099.48, 1,243,510.10 and 230,121.48 is: 345,143.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,099.48 : 1,243,510.10 = 230,121.48 : x
  2. Step 2: Convert to fraction form
    829,099.48/1,243,510.10 = 230,121.48/x
  3. Step 3: Cross multiply
    829,099.48x = 1,243,510.10 × 230,121.48
  4. Step 4: Simplify right side
    829,099.48x = 286,158,384,606.95
  5. Step 5: Solve for x
    x = 286,158,384,606.95/829,099.48
  6. Step 6: Final answer
    x = 345,143.61

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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.