Home / 780,369.04-1,170,647.32-274,825.56

Finding the Fourth Proportional to 780,369.04, 1,170,647.32 and 274,825.56

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Solution

The fourth proportional to 780,369.04, 1,170,647.32 and 274,825.56 is: 412,271.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,369.04 : 1,170,647.32 = 274,825.56 : x
  2. Step 2: Convert to fraction form
    780,369.04/1,170,647.32 = 274,825.56/x
  3. Step 3: Cross multiply
    780,369.04x = 1,170,647.32 × 274,825.56
  4. Step 4: Simplify right side
    780,369.04x = 321,723,805,281.50
  5. Step 5: Solve for x
    x = 321,723,805,281.50/780,369.04
  6. Step 6: Final answer
    x = 412,271.36

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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.