Home / 392,914.88-589,376.52-314,527.40

Finding the Fourth Proportional to 392,914.88, 589,376.52 and 314,527.40

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Solution

The fourth proportional to 392,914.88, 589,376.52 and 314,527.40 is: 471,794.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,914.88 : 589,376.52 = 314,527.40 : x
  2. Step 2: Convert to fraction form
    392,914.88/589,376.52 = 314,527.40/x
  3. Step 3: Cross multiply
    392,914.88x = 589,376.52 × 314,527.40
  4. Step 4: Simplify right side
    392,914.88x = 185,375,064,456.65
  5. Step 5: Solve for x
    x = 185,375,064,456.65/392,914.88
  6. Step 6: Final answer
    x = 471,794.46

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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.