Home / 770,012.62-1,154,930.68-201,448.59

Finding the Fourth Proportional to 770,012.62, 1,154,930.68 and 201,448.59

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Solution

The fourth proportional to 770,012.62, 1,154,930.68 and 201,448.59 is: 302,149.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,012.62 : 1,154,930.68 = 201,448.59 : x
  2. Step 2: Convert to fraction form
    770,012.62/1,154,930.68 = 201,448.59/x
  3. Step 3: Cross multiply
    770,012.62x = 1,154,930.68 × 201,448.59
  4. Step 4: Simplify right side
    770,012.62x = 232,659,152,444.68
  5. Step 5: Solve for x
    x = 232,659,152,444.68/770,012.62
  6. Step 6: Final answer
    x = 302,149.79

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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.