Home / 816,431.03-1,224,649.38-247,816.94

Finding the Fourth Proportional to 816,431.03, 1,224,649.38 and 247,816.94

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Solution

The fourth proportional to 816,431.03, 1,224,649.38 and 247,816.94 is: 371,726.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,431.03 : 1,224,649.38 = 247,816.94 : x
  2. Step 2: Convert to fraction form
    816,431.03/1,224,649.38 = 247,816.94/x
  3. Step 3: Cross multiply
    816,431.03x = 1,224,649.38 × 247,816.94
  4. Step 4: Simplify right side
    816,431.03x = 303,488,855,801.25
  5. Step 5: Solve for x
    x = 303,488,855,801.25/816,431.03
  6. Step 6: Final answer
    x = 371,726.27

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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.