Home / 642,187.24-963,902.94-309,996.52

Finding the Fourth Proportional to 642,187.24, 963,902.94 and 309,996.52

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Solution

The fourth proportional to 642,187.24, 963,902.94 and 309,996.52 is: 465,295.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,187.24 : 963,902.94 = 309,996.52 : x
  2. Step 2: Convert to fraction form
    642,187.24/963,902.94 = 309,996.52/x
  3. Step 3: Cross multiply
    642,187.24x = 963,902.94 × 309,996.52
  4. Step 4: Simplify right side
    642,187.24x = 298,806,557,017.77
  5. Step 5: Solve for x
    x = 298,806,557,017.77/642,187.24
  6. Step 6: Final answer
    x = 465,295.07

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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.