Home / 757,622.70-1,136,406.36-225,129.89

Finding the Fourth Proportional to 757,622.70, 1,136,406.36 and 225,129.89

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Solution

The fourth proportional to 757,622.70, 1,136,406.36 and 225,129.89 is: 337,686.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,622.70 : 1,136,406.36 = 225,129.89 : x
  2. Step 2: Convert to fraction form
    757,622.70/1,136,406.36 = 225,129.89/x
  3. Step 3: Cross multiply
    757,622.70x = 1,136,406.36 × 225,129.89
  4. Step 4: Simplify right side
    757,622.70x = 255,839,038,822.10
  5. Step 5: Solve for x
    x = 255,839,038,822.10/757,622.70
  6. Step 6: Final answer
    x = 337,686.61

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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.