Home / 459,384.35-689,021.84-122,450.27

Finding the Fourth Proportional to 459,384.35, 689,021.84 and 122,450.27

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Solution

The fourth proportional to 459,384.35, 689,021.84 and 122,450.27 is: 183,660.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,384.35 : 689,021.84 = 122,450.27 : x
  2. Step 2: Convert to fraction form
    459,384.35/689,021.84 = 122,450.27/x
  3. Step 3: Cross multiply
    459,384.35x = 689,021.84 × 122,450.27
  4. Step 4: Simplify right side
    459,384.35x = 84,370,907,204.91
  5. Step 5: Solve for x
    x = 84,370,907,204.91/459,384.35
  6. Step 6: Final answer
    x = 183,660.82

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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.