Home / 816,212.67-1,224,445.77-416,637.24

Finding the Fourth Proportional to 816,212.67, 1,224,445.77 and 416,637.24

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Solution

The fourth proportional to 816,212.67, 1,224,445.77 and 416,637.24 is: 625,020.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,212.67 : 1,224,445.77 = 416,637.24 : x
  2. Step 2: Convert to fraction form
    816,212.67/1,224,445.77 = 416,637.24/x
  3. Step 3: Cross multiply
    816,212.67x = 1,224,445.77 × 416,637.24
  4. Step 4: Simplify right side
    816,212.67x = 510,149,706,142.48
  5. Step 5: Solve for x
    x = 510,149,706,142.48/816,212.67
  6. Step 6: Final answer
    x = 625,020.57

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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.