Home / 839,174.88-1,258,886.16-306,571.44

Finding the Fourth Proportional to 839,174.88, 1,258,886.16 and 306,571.44

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Solution

The fourth proportional to 839,174.88, 1,258,886.16 and 306,571.44 is: 459,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,174.88 : 1,258,886.16 = 306,571.44 : x
  2. Step 2: Convert to fraction form
    839,174.88/1,258,886.16 = 306,571.44/x
  3. Step 3: Cross multiply
    839,174.88x = 1,258,886.16 × 306,571.44
  4. Step 4: Simplify right side
    839,174.88x = 385,938,542,867.27
  5. Step 5: Solve for x
    x = 385,938,542,867.27/839,174.88
  6. Step 6: Final answer
    x = 459,902.40

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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.