Home / 816,217.03-1,224,452.31-416,641.60

Finding the Fourth Proportional to 816,217.03, 1,224,452.31 and 416,641.60

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Solution

The fourth proportional to 816,217.03, 1,224,452.31 and 416,641.60 is: 625,027.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,217.03 : 1,224,452.31 = 416,641.60 : x
  2. Step 2: Convert to fraction form
    816,217.03/1,224,452.31 = 416,641.60/x
  3. Step 3: Cross multiply
    816,217.03x = 1,224,452.31 × 416,641.60
  4. Step 4: Simplify right side
    816,217.03x = 510,157,769,562.10
  5. Step 5: Solve for x
    x = 510,157,769,562.10/816,217.03
  6. Step 6: Final answer
    x = 625,027.11

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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.