Home / 644,486.94-965,257.76-307,763.46

Finding the Fourth Proportional to 644,486.94, 965,257.76 and 307,763.46

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Solution

The fourth proportional to 644,486.94, 965,257.76 and 307,763.46 is: 460,941.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,486.94 : 965,257.76 = 307,763.46 : x
  2. Step 2: Convert to fraction form
    644,486.94/965,257.76 = 307,763.46/x
  3. Step 3: Cross multiply
    644,486.94x = 965,257.76 × 307,763.46
  4. Step 4: Simplify right side
    644,486.94x = 297,071,068,778.86
  5. Step 5: Solve for x
    x = 297,071,068,778.86/644,486.94
  6. Step 6: Final answer
    x = 460,941.95

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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.