Home / 919,882.08-1,379,829.24-320,841

Finding the Fourth Proportional to 919,882.08, 1,379,829.24 and 320,841

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Solution

The fourth proportional to 919,882.08, 1,379,829.24 and 320,841 is: 481,263.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,882.08 : 1,379,829.24 = 320,841 : x
  2. Step 2: Convert to fraction form
    919,882.08/1,379,829.24 = 320,841/x
  3. Step 3: Cross multiply
    919,882.08x = 1,379,829.24 × 320,841
  4. Step 4: Simplify right side
    919,882.08x = 442,705,793,190.84
  5. Step 5: Solve for x
    x = 442,705,793,190.84/919,882.08
  6. Step 6: Final answer
    x = 481,263.63

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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.