Home / 863,373.73-1,294,322.07-331,276.63

Finding the Fourth Proportional to 863,373.73, 1,294,322.07 and 331,276.63

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Solution

The fourth proportional to 863,373.73, 1,294,322.07 and 331,276.63 is: 496,631.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,373.73 : 1,294,322.07 = 331,276.63 : x
  2. Step 2: Convert to fraction form
    863,373.73/1,294,322.07 = 331,276.63/x
  3. Step 3: Cross multiply
    863,373.73x = 1,294,322.07 × 331,276.63
  4. Step 4: Simplify right side
    863,373.73x = 428,778,653,484.22
  5. Step 5: Solve for x
    x = 428,778,653,484.22/863,373.73
  6. Step 6: Final answer
    x = 496,631.57

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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.