Home / 751,174.14-1,036,621.36-407,013.80

Finding the Fourth Proportional to 751,174.14, 1,036,621.36 and 407,013.80

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Solution

The fourth proportional to 751,174.14, 1,036,621.36 and 407,013.80 is: 561,679.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,174.14 : 1,036,621.36 = 407,013.80 : x
  2. Step 2: Convert to fraction form
    751,174.14/1,036,621.36 = 407,013.80/x
  3. Step 3: Cross multiply
    751,174.14x = 1,036,621.36 × 407,013.80
  4. Step 4: Simplify right side
    751,174.14x = 421,919,198,894.77
  5. Step 5: Solve for x
    x = 421,919,198,894.77/751,174.14
  6. Step 6: Final answer
    x = 561,679.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.