Home / 919,887.08-1,379,836.74-320,846

Finding the Fourth Proportional to 919,887.08, 1,379,836.74 and 320,846

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Solution

The fourth proportional to 919,887.08, 1,379,836.74 and 320,846 is: 481,271.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,887.08 : 1,379,836.74 = 320,846 : x
  2. Step 2: Convert to fraction form
    919,887.08/1,379,836.74 = 320,846/x
  3. Step 3: Cross multiply
    919,887.08x = 1,379,836.74 × 320,846
  4. Step 4: Simplify right side
    919,887.08x = 442,715,098,682.04
  5. Step 5: Solve for x
    x = 442,715,098,682.04/919,887.08
  6. Step 6: Final answer
    x = 481,271.13

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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.