Home / 458,635.84-633,131.04-305,928.16

Finding the Fourth Proportional to 458,635.84, 633,131.04 and 305,928.16

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Solution

The fourth proportional to 458,635.84, 633,131.04 and 305,928.16 is: 422,323.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,635.84 : 633,131.04 = 305,928.16 : x
  2. Step 2: Convert to fraction form
    458,635.84/633,131.04 = 305,928.16/x
  3. Step 3: Cross multiply
    458,635.84x = 633,131.04 × 305,928.16
  4. Step 4: Simplify right side
    458,635.84x = 193,692,614,106.09
  5. Step 5: Solve for x
    x = 193,692,614,106.09/458,635.84
  6. Step 6: Final answer
    x = 422,323.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.