Home / 810,167.77-1,214,461.82-323,704.89

Finding the Fourth Proportional to 810,167.77, 1,214,461.82 and 323,704.89

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Solution

The fourth proportional to 810,167.77, 1,214,461.82 and 323,704.89 is: 485,241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,167.77 : 1,214,461.82 = 323,704.89 : x
  2. Step 2: Convert to fraction form
    810,167.77/1,214,461.82 = 323,704.89/x
  3. Step 3: Cross multiply
    810,167.77x = 1,214,461.82 × 323,704.89
  4. Step 4: Simplify right side
    810,167.77x = 393,127,230,661.56
  5. Step 5: Solve for x
    x = 393,127,230,661.56/810,167.77
  6. Step 6: Final answer
    x = 485,241.75

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1.5x scale

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.