Home / 392,927.65-589,395.59-314,540.17

Finding the Fourth Proportional to 392,927.65, 589,395.59 and 314,540.17

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Solution

The fourth proportional to 392,927.65, 589,395.59 and 314,540.17 is: 471,813.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,927.65 : 589,395.59 = 314,540.17 : x
  2. Step 2: Convert to fraction form
    392,927.65/589,395.59 = 314,540.17/x
  3. Step 3: Cross multiply
    392,927.65x = 589,395.59 × 314,540.17
  4. Step 4: Simplify right side
    392,927.65x = 185,388,589,075.85
  5. Step 5: Solve for x
    x = 185,388,589,075.85/392,927.65
  6. Step 6: Final answer
    x = 471,813.55

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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.