Home / 816,213.03-1,224,446.31-416,637.60

Finding the Fourth Proportional to 816,213.03, 1,224,446.31 and 416,637.60

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Solution

The fourth proportional to 816,213.03, 1,224,446.31 and 416,637.60 is: 625,021.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,213.03 : 1,224,446.31 = 416,637.60 : x
  2. Step 2: Convert to fraction form
    816,213.03/1,224,446.31 = 416,637.60/x
  3. Step 3: Cross multiply
    816,213.03x = 1,224,446.31 × 416,637.60
  4. Step 4: Simplify right side
    816,213.03x = 510,150,371,927.26
  5. Step 5: Solve for x
    x = 510,150,371,927.26/816,213.03
  6. Step 6: Final answer
    x = 625,021.11

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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.