Home / 863,958.30-1,295,322.57-331,028.70

Finding the Fourth Proportional to 863,958.30, 1,295,322.57 and 331,028.70

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Solution

The fourth proportional to 863,958.30, 1,295,322.57 and 331,028.70 is: 496,307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,958.30 : 1,295,322.57 = 331,028.70 : x
  2. Step 2: Convert to fraction form
    863,958.30/1,295,322.57 = 331,028.70/x
  3. Step 3: Cross multiply
    863,958.30x = 1,295,322.57 × 331,028.70
  4. Step 4: Simplify right side
    863,958.30x = 428,788,946,427.76
  5. Step 5: Solve for x
    x = 428,788,946,427.76/863,958.30
  6. Step 6: Final answer
    x = 496,307.46

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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.