Home / 392,923.65-589,389.59-314,536.17

Finding the Fourth Proportional to 392,923.65, 589,389.59 and 314,536.17

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Solution

The fourth proportional to 392,923.65, 589,389.59 and 314,536.17 is: 471,807.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,923.65 : 589,389.59 = 314,536.17 : x
  2. Step 2: Convert to fraction form
    392,923.65/589,389.59 = 314,536.17/x
  3. Step 3: Cross multiply
    392,923.65x = 589,389.59 × 314,536.17
  4. Step 4: Simplify right side
    392,923.65x = 185,384,339,756.84
  5. Step 5: Solve for x
    x = 185,384,339,756.84/392,923.65
  6. Step 6: Final answer
    x = 471,807.54

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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.