Home / 810,554.01-1,214,834.41-454,820.64

Finding the Fourth Proportional to 810,554.01, 1,214,834.41 and 454,820.64

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Solution

The fourth proportional to 810,554.01, 1,214,834.41 and 454,820.64 is: 681,671.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,554.01 : 1,214,834.41 = 454,820.64 : x
  2. Step 2: Convert to fraction form
    810,554.01/1,214,834.41 = 454,820.64/x
  3. Step 3: Cross multiply
    810,554.01x = 1,214,834.41 × 454,820.64
  4. Step 4: Simplify right side
    810,554.01x = 552,531,763,850.22
  5. Step 5: Solve for x
    x = 552,531,763,850.22/810,554.01
  6. Step 6: Final answer
    x = 681,671.74

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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.