Home / 824,618.58-1,235,507.76-644,634

Finding the Fourth Proportional to 824,618.58, 1,235,507.76 and 644,634

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Solution

The fourth proportional to 824,618.58, 1,235,507.76 and 644,634 is: 965,840.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,618.58 : 1,235,507.76 = 644,634 : x
  2. Step 2: Convert to fraction form
    824,618.58/1,235,507.76 = 644,634/x
  3. Step 3: Cross multiply
    824,618.58x = 1,235,507.76 × 644,634
  4. Step 4: Simplify right side
    824,618.58x = 796,450,309,359.84
  5. Step 5: Solve for x
    x = 796,450,309,359.84/824,618.58
  6. Step 6: Final answer
    x = 965,840.85

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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.