Home / 392,918.14-589,789.41-348,225.40

Finding the Fourth Proportional to 392,918.14, 589,789.41 and 348,225.40

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Solution

The fourth proportional to 392,918.14, 589,789.41 and 348,225.40 is: 522,703.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,918.14 : 589,789.41 = 348,225.40 : x
  2. Step 2: Convert to fraction form
    392,918.14/589,789.41 = 348,225.40/x
  3. Step 3: Cross multiply
    392,918.14x = 589,789.41 × 348,225.40
  4. Step 4: Simplify right side
    392,918.14x = 205,379,653,213.01
  5. Step 5: Solve for x
    x = 205,379,653,213.01/392,918.14
  6. Step 6: Final answer
    x = 522,703.41

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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.