Home / 667,131.72-1,000,954.08-401,075.88

Finding the Fourth Proportional to 667,131.72, 1,000,954.08 and 401,075.88

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Solution

The fourth proportional to 667,131.72, 1,000,954.08 and 401,075.88 is: 601,768.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,131.72 : 1,000,954.08 = 401,075.88 : x
  2. Step 2: Convert to fraction form
    667,131.72/1,000,954.08 = 401,075.88/x
  3. Step 3: Cross multiply
    667,131.72x = 1,000,954.08 × 401,075.88
  4. Step 4: Simplify right side
    667,131.72x = 401,458,538,475.59
  5. Step 5: Solve for x
    x = 401,458,538,475.59/667,131.72
  6. Step 6: Final answer
    x = 601,768.03

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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.