Home / 961,433.31-1,439,709.38-576,940.43

Finding the Fourth Proportional to 961,433.31, 1,439,709.38 and 576,940.43

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Solution

The fourth proportional to 961,433.31, 1,439,709.38 and 576,940.43 is: 863,946.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,433.31 : 1,439,709.38 = 576,940.43 : x
  2. Step 2: Convert to fraction form
    961,433.31/1,439,709.38 = 576,940.43/x
  3. Step 3: Cross multiply
    961,433.31x = 1,439,709.38 × 576,940.43
  4. Step 4: Simplify right side
    961,433.31x = 830,626,548,414.95
  5. Step 5: Solve for x
    x = 830,626,548,414.95/961,433.31
  6. Step 6: Final answer
    x = 863,946.09

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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.