Home / 644,463.30-965,222.46-307,739.82

Finding the Fourth Proportional to 644,463.30, 965,222.46 and 307,739.82

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Solution

The fourth proportional to 644,463.30, 965,222.46 and 307,739.82 is: 460,906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,463.30 : 965,222.46 = 307,739.82 : x
  2. Step 2: Convert to fraction form
    644,463.30/965,222.46 = 307,739.82/x
  3. Step 3: Cross multiply
    644,463.30x = 965,222.46 × 307,739.82
  4. Step 4: Simplify right side
    644,463.30x = 297,037,386,100.36
  5. Step 5: Solve for x
    x = 297,037,386,100.36/644,463.30
  6. Step 6: Final answer
    x = 460,906.60

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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.