Home / 751,251.55-1,036,731.08-407,087.62

Finding the Fourth Proportional to 751,251.55, 1,036,731.08 and 407,087.62

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Solution

The fourth proportional to 751,251.55, 1,036,731.08 and 407,087.62 is: 561,783.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,251.55 : 1,036,731.08 = 407,087.62 : x
  2. Step 2: Convert to fraction form
    751,251.55/1,036,731.08 = 407,087.62/x
  3. Step 3: Cross multiply
    751,251.55x = 1,036,731.08 × 407,087.62
  4. Step 4: Simplify right side
    751,251.55x = 422,040,387,937.23
  5. Step 5: Solve for x
    x = 422,040,387,937.23/751,251.55
  6. Step 6: Final answer
    x = 561,783.05

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1.5x scale

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.