Home / 777,480.45-1,166,279.70-264,986.30

Finding the Fourth Proportional to 777,480.45, 1,166,279.70 and 264,986.30

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Solution

The fourth proportional to 777,480.45, 1,166,279.70 and 264,986.30 is: 397,499.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,480.45 : 1,166,279.70 = 264,986.30 : x
  2. Step 2: Convert to fraction form
    777,480.45/1,166,279.70 = 264,986.30/x
  3. Step 3: Cross multiply
    777,480.45x = 1,166,279.70 × 264,986.30
  4. Step 4: Simplify right side
    777,480.45x = 309,048,142,468.11
  5. Step 5: Solve for x
    x = 309,048,142,468.11/777,480.45
  6. Step 6: Final answer
    x = 397,499.57

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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.