Home / 625,871.85-938,976.27-322,100.49

Finding the Fourth Proportional to 625,871.85, 938,976.27 and 322,100.49

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Solution

The fourth proportional to 625,871.85, 938,976.27 and 322,100.49 is: 483,237.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,871.85 : 938,976.27 = 322,100.49 : x
  2. Step 2: Convert to fraction form
    625,871.85/938,976.27 = 322,100.49/x
  3. Step 3: Cross multiply
    625,871.85x = 938,976.27 × 322,100.49
  4. Step 4: Simplify right side
    625,871.85x = 302,444,716,665.37
  5. Step 5: Solve for x
    x = 302,444,716,665.37/625,871.85
  6. Step 6: Final answer
    x = 483,237.45

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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.