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Finding the Fourth Proportional to 648,840.43, 973,609.22 and 270,022.33

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Solution

The fourth proportional to 648,840.43, 973,609.22 and 270,022.33 is: 405,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,840.43 : 973,609.22 = 270,022.33 : x
  2. Step 2: Convert to fraction form
    648,840.43/973,609.22 = 270,022.33/x
  3. Step 3: Cross multiply
    648,840.43x = 973,609.22 × 270,022.33
  4. Step 4: Simplify right side
    648,840.43x = 262,896,228,743.77
  5. Step 5: Solve for x
    x = 262,896,228,743.77/648,840.43
  6. Step 6: Final answer
    x = 405,178.56

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1.5x scale

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.