Home / 757,621.70-1,136,404.87-225,128.89

Finding the Fourth Proportional to 757,621.70, 1,136,404.87 and 225,128.89

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Solution

The fourth proportional to 757,621.70, 1,136,404.87 and 225,128.89 is: 337,685.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,621.70 : 1,136,404.87 = 225,128.89 : x
  2. Step 2: Convert to fraction form
    757,621.70/1,136,404.87 = 225,128.89/x
  3. Step 3: Cross multiply
    757,621.70x = 1,136,404.87 × 225,128.89
  4. Step 4: Simplify right side
    757,621.70x = 255,837,565,848.05
  5. Step 5: Solve for x
    x = 255,837,565,848.05/757,621.70
  6. Step 6: Final answer
    x = 337,685.11

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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.