Home / 810,544.01-1,214,819.42-454,810.64

Finding the Fourth Proportional to 810,544.01, 1,214,819.42 and 454,810.64

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Solution

The fourth proportional to 810,544.01, 1,214,819.42 and 454,810.64 is: 681,656.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,544.01 : 1,214,819.42 = 454,810.64 : x
  2. Step 2: Convert to fraction form
    810,544.01/1,214,819.42 = 454,810.64/x
  3. Step 3: Cross multiply
    810,544.01x = 1,214,819.42 × 454,810.64
  4. Step 4: Simplify right side
    810,544.01x = 552,512,789,546.48
  5. Step 5: Solve for x
    x = 552,512,789,546.48/810,544.01
  6. Step 6: Final answer
    x = 681,656.75

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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.