Home / 642,956.48-964,237.82-444,551.84

Finding the Fourth Proportional to 642,956.48, 964,237.82 and 444,551.84

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Solution

The fourth proportional to 642,956.48, 964,237.82 and 444,551.84 is: 666,691.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,956.48 : 964,237.82 = 444,551.84 : x
  2. Step 2: Convert to fraction form
    642,956.48/964,237.82 = 444,551.84/x
  3. Step 3: Cross multiply
    642,956.48x = 964,237.82 × 444,551.84
  4. Step 4: Simplify right side
    642,956.48x = 428,653,690,034.64
  5. Step 5: Solve for x
    x = 428,653,690,034.64/642,956.48
  6. Step 6: Final answer
    x = 666,691.61

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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.