Home / 643,181.72-964,575.07-444,777.08

Finding the Fourth Proportional to 643,181.72, 964,575.07 and 444,777.08

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Solution

The fourth proportional to 643,181.72, 964,575.07 and 444,777.08 is: 667,029.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,181.72 : 964,575.07 = 444,777.08 : x
  2. Step 2: Convert to fraction form
    643,181.72/964,575.07 = 444,777.08/x
  3. Step 3: Cross multiply
    643,181.72x = 964,575.07 × 444,777.08
  4. Step 4: Simplify right side
    643,181.72x = 429,020,877,140.58
  5. Step 5: Solve for x
    x = 429,020,877,140.58/643,181.72
  6. Step 6: Final answer
    x = 667,029.03

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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.