Home / 751,292.46-1,036,781.55-407,137.90

Finding the Fourth Proportional to 751,292.46, 1,036,781.55 and 407,137.90

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Solution

The fourth proportional to 751,292.46, 1,036,781.55 and 407,137.90 is: 561,849.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,292.46 : 1,036,781.55 = 407,137.90 : x
  2. Step 2: Convert to fraction form
    751,292.46/1,036,781.55 = 407,137.90/x
  3. Step 3: Cross multiply
    751,292.46x = 1,036,781.55 × 407,137.90
  4. Step 4: Simplify right side
    751,292.46x = 422,113,063,025.75
  5. Step 5: Solve for x
    x = 422,113,063,025.75/751,292.46
  6. Step 6: Final answer
    x = 561,849.19

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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.