Home / 513,664.23-770,474.19-134,576.61

Finding the Fourth Proportional to 513,664.23, 770,474.19 and 134,576.61

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Solution

The fourth proportional to 513,664.23, 770,474.19 and 134,576.61 is: 201,859.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,664.23 : 770,474.19 = 134,576.61 : x
  2. Step 2: Convert to fraction form
    513,664.23/770,474.19 = 134,576.61/x
  3. Step 3: Cross multiply
    513,664.23x = 770,474.19 × 134,576.61
  4. Step 4: Simplify right side
    513,664.23x = 103,687,804,582.70
  5. Step 5: Solve for x
    x = 103,687,804,582.70/513,664.23
  6. Step 6: Final answer
    x = 201,859.11

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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.