Home / 757,731.38-1,136,605.70-259,134.26

Finding the Fourth Proportional to 757,731.38, 1,136,605.70 and 259,134.26

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Solution

The fourth proportional to 757,731.38, 1,136,605.70 and 259,134.26 is: 388,704.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,731.38 : 1,136,605.70 = 259,134.26 : x
  2. Step 2: Convert to fraction form
    757,731.38/1,136,605.70 = 259,134.26/x
  3. Step 3: Cross multiply
    757,731.38x = 1,136,605.70 × 259,134.26
  4. Step 4: Simplify right side
    757,731.38x = 294,533,471,946.09
  5. Step 5: Solve for x
    x = 294,533,471,946.09/757,731.38
  6. Step 6: Final answer
    x = 388,704.34

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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.