Home / 816,051.70-1,224,077.55-343,270.90

Finding the Fourth Proportional to 816,051.70, 1,224,077.55 and 343,270.90

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Solution

The fourth proportional to 816,051.70, 1,224,077.55 and 343,270.90 is: 514,906.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,051.70 : 1,224,077.55 = 343,270.90 : x
  2. Step 2: Convert to fraction form
    816,051.70/1,224,077.55 = 343,270.90/x
  3. Step 3: Cross multiply
    816,051.70x = 1,224,077.55 × 343,270.90
  4. Step 4: Simplify right side
    816,051.70x = 420,190,202,258.30
  5. Step 5: Solve for x
    x = 420,190,202,258.30/816,051.70
  6. Step 6: Final answer
    x = 514,906.35

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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.