Home / 791,273.84-1,091,958.96-428,697.72

Finding the Fourth Proportional to 791,273.84, 1,091,958.96 and 428,697.72

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Solution

The fourth proportional to 791,273.84, 1,091,958.96 and 428,697.72 is: 591,603.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,273.84 : 1,091,958.96 = 428,697.72 : x
  2. Step 2: Convert to fraction form
    791,273.84/1,091,958.96 = 428,697.72/x
  3. Step 3: Cross multiply
    791,273.84x = 1,091,958.96 × 428,697.72
  4. Step 4: Simplify right side
    791,273.84x = 468,120,308,882.29
  5. Step 5: Solve for x
    x = 468,120,308,882.29/791,273.84
  6. Step 6: Final answer
    x = 591,603.42

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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.