Home / 816,469.35-1,224,720.89-297,126.83

Finding the Fourth Proportional to 816,469.35, 1,224,720.89 and 297,126.83

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Solution

The fourth proportional to 816,469.35, 1,224,720.89 and 297,126.83 is: 445,696.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,469.35 : 1,224,720.89 = 297,126.83 : x
  2. Step 2: Convert to fraction form
    816,469.35/1,224,720.89 = 297,126.83/x
  3. Step 3: Cross multiply
    816,469.35x = 1,224,720.89 × 297,126.83
  4. Step 4: Simplify right side
    816,469.35x = 363,897,428,071.24
  5. Step 5: Solve for x
    x = 363,897,428,071.24/816,469.35
  6. Step 6: Final answer
    x = 445,696.37

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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.