Home / 906,499.64-1,359,748.50-431,745.08

Finding the Fourth Proportional to 906,499.64, 1,359,748.50 and 431,745.08

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Solution

The fourth proportional to 906,499.64, 1,359,748.50 and 431,745.08 is: 647,617.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,499.64 : 1,359,748.50 = 431,745.08 : x
  2. Step 2: Convert to fraction form
    906,499.64/1,359,748.50 = 431,745.08/x
  3. Step 3: Cross multiply
    906,499.64x = 1,359,748.50 × 431,745.08
  4. Step 4: Simplify right side
    906,499.64x = 587,064,724,912.38
  5. Step 5: Solve for x
    x = 587,064,724,912.38/906,499.64
  6. Step 6: Final answer
    x = 647,617.16

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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.