Home / 751,253.80-1,036,734.18-407,089.86

Finding the Fourth Proportional to 751,253.80, 1,036,734.18 and 407,089.86

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Solution

The fourth proportional to 751,253.80, 1,036,734.18 and 407,089.86 is: 561,786.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,253.80 : 1,036,734.18 = 407,089.86 : x
  2. Step 2: Convert to fraction form
    751,253.80/1,036,734.18 = 407,089.86/x
  3. Step 3: Cross multiply
    751,253.80x = 1,036,734.18 × 407,089.86
  4. Step 4: Simplify right side
    751,253.80x = 422,043,972,193.42
  5. Step 5: Solve for x
    x = 422,043,972,193.42/751,253.80
  6. Step 6: Final answer
    x = 561,786.14

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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.