Home / 780,214.37-1,170,372.57-240,404.45

Finding the Fourth Proportional to 780,214.37, 1,170,372.57 and 240,404.45

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Solution

The fourth proportional to 780,214.37, 1,170,372.57 and 240,404.45 is: 360,622.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,214.37 : 1,170,372.57 = 240,404.45 : x
  2. Step 2: Convert to fraction form
    780,214.37/1,170,372.57 = 240,404.45/x
  3. Step 3: Cross multiply
    780,214.37x = 1,170,372.57 × 240,404.45
  4. Step 4: Simplify right side
    780,214.37x = 281,362,768,134.07
  5. Step 5: Solve for x
    x = 281,362,768,134.07/780,214.37
  6. Step 6: Final answer
    x = 360,622.39

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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.