Home / 757,047.98-1,135,874.91-307,803.38

Finding the Fourth Proportional to 757,047.98, 1,135,874.91 and 307,803.38

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Solution

The fourth proportional to 757,047.98, 1,135,874.91 and 307,803.38 is: 461,828.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,047.98 : 1,135,874.91 = 307,803.38 : x
  2. Step 2: Convert to fraction form
    757,047.98/1,135,874.91 = 307,803.38/x
  3. Step 3: Cross multiply
    757,047.98x = 1,135,874.91 × 307,803.38
  4. Step 4: Simplify right side
    757,047.98x = 349,626,136,555.20
  5. Step 5: Solve for x
    x = 349,626,136,555.20/757,047.98
  6. Step 6: Final answer
    x = 461,828.24

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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.