Home / 863,372.73-1,294,320.57-331,275.63

Finding the Fourth Proportional to 863,372.73, 1,294,320.57 and 331,275.63

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Solution

The fourth proportional to 863,372.73, 1,294,320.57 and 331,275.63 is: 496,630.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,372.73 : 1,294,320.57 = 331,275.63 : x
  2. Step 2: Convert to fraction form
    863,372.73/1,294,320.57 = 331,275.63/x
  3. Step 3: Cross multiply
    863,372.73x = 1,294,320.57 × 331,275.63
  4. Step 4: Simplify right side
    863,372.73x = 428,776,862,248.71
  5. Step 5: Solve for x
    x = 428,776,862,248.71/863,372.73
  6. Step 6: Final answer
    x = 496,630.07

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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.