Home / 774,087.03-1,161,203.85-300,808.89

Finding the Fourth Proportional to 774,087.03, 1,161,203.85 and 300,808.89

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Solution

The fourth proportional to 774,087.03, 1,161,203.85 and 300,808.89 is: 451,241.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,087.03 : 1,161,203.85 = 300,808.89 : x
  2. Step 2: Convert to fraction form
    774,087.03/1,161,203.85 = 300,808.89/x
  3. Step 3: Cross multiply
    774,087.03x = 1,161,203.85 × 300,808.89
  4. Step 4: Simplify right side
    774,087.03x = 349,300,441,182.23
  5. Step 5: Solve for x
    x = 349,300,441,182.23/774,087.03
  6. Step 6: Final answer
    x = 451,241.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.