Home / 751,204.25-1,036,662.78-407,039.91

Finding the Fourth Proportional to 751,204.25, 1,036,662.78 and 407,039.91

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Solution

The fourth proportional to 751,204.25, 1,036,662.78 and 407,039.91 is: 561,715.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,204.25 : 1,036,662.78 = 407,039.91 : x
  2. Step 2: Convert to fraction form
    751,204.25/1,036,662.78 = 407,039.91/x
  3. Step 3: Cross multiply
    751,204.25x = 1,036,662.78 × 407,039.91
  4. Step 4: Simplify right side
    751,204.25x = 421,963,124,671.55
  5. Step 5: Solve for x
    x = 421,963,124,671.55/751,204.25
  6. Step 6: Final answer
    x = 561,715.58

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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.