Home / 644,198.43-966,100.80-307,061.46

Finding the Fourth Proportional to 644,198.43, 966,100.80 and 307,061.46

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Solution

The fourth proportional to 644,198.43, 966,100.80 and 307,061.46 is: 460,498.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,198.43 : 966,100.80 = 307,061.46 : x
  2. Step 2: Convert to fraction form
    644,198.43/966,100.80 = 307,061.46/x
  3. Step 3: Cross multiply
    644,198.43x = 966,100.80 × 307,061.46
  4. Step 4: Simplify right side
    644,198.43x = 296,652,322,155.17
  5. Step 5: Solve for x
    x = 296,652,322,155.17/644,198.43
  6. Step 6: Final answer
    x = 460,498.36

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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.