Home / 677,745.24-1,015,956.88-322,663.92

Finding the Fourth Proportional to 677,745.24, 1,015,956.88 and 322,663.92

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Solution

The fourth proportional to 677,745.24, 1,015,956.88 and 322,663.92 is: 483,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,745.24 : 1,015,956.88 = 322,663.92 : x
  2. Step 2: Convert to fraction form
    677,745.24/1,015,956.88 = 322,663.92/x
  3. Step 3: Cross multiply
    677,745.24x = 1,015,956.88 × 322,663.92
  4. Step 4: Simplify right side
    677,745.24x = 327,812,629,451.77
  5. Step 5: Solve for x
    x = 327,812,629,451.77/677,745.24
  6. Step 6: Final answer
    x = 483,681.20

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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.