Home / 777,667.60-1,166,390.65-245,119.42

Finding the Fourth Proportional to 777,667.60, 1,166,390.65 and 245,119.42

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Solution

The fourth proportional to 777,667.60, 1,166,390.65 and 245,119.42 is: 367,644.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,667.60 : 1,166,390.65 = 245,119.42 : x
  2. Step 2: Convert to fraction form
    777,667.60/1,166,390.65 = 245,119.42/x
  3. Step 3: Cross multiply
    777,667.60x = 1,166,390.65 × 245,119.42
  4. Step 4: Simplify right side
    777,667.60x = 285,904,999,621.42
  5. Step 5: Solve for x
    x = 285,904,999,621.42/777,667.60
  6. Step 6: Final answer
    x = 367,644.22

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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.