Home / 406,917.76-610,260-122,635.84

Finding the Fourth Proportional to 406,917.76, 610,260 and 122,635.84

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Solution

The fourth proportional to 406,917.76, 610,260 and 122,635.84 is: 183,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,917.76 : 610,260 = 122,635.84 : x
  2. Step 2: Convert to fraction form
    406,917.76/610,260 = 122,635.84/x
  3. Step 3: Cross multiply
    406,917.76x = 610,260 × 122,635.84
  4. Step 4: Simplify right side
    406,917.76x = 74,839,747,718.40
  5. Step 5: Solve for x
    x = 74,839,747,718.40/406,917.76
  6. Step 6: Final answer
    x = 183,918.61

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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.