Home / 751,284.46-1,036,770.51-407,129.90

Finding the Fourth Proportional to 751,284.46, 1,036,770.51 and 407,129.90

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Solution

The fourth proportional to 751,284.46, 1,036,770.51 and 407,129.90 is: 561,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,284.46 : 1,036,770.51 = 407,129.90 : x
  2. Step 2: Convert to fraction form
    751,284.46/1,036,770.51 = 407,129.90/x
  3. Step 3: Cross multiply
    751,284.46x = 1,036,770.51 × 407,129.90
  4. Step 4: Simplify right side
    751,284.46x = 422,100,274,059.25
  5. Step 5: Solve for x
    x = 422,100,274,059.25/751,284.46
  6. Step 6: Final answer
    x = 561,838.15

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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.