Home / 770,435.62-1,155,811.04-264,930.92

Finding the Fourth Proportional to 770,435.62, 1,155,811.04 and 264,930.92

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Solution

The fourth proportional to 770,435.62, 1,155,811.04 and 264,930.92 is: 397,450.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,435.62 : 1,155,811.04 = 264,930.92 : x
  2. Step 2: Convert to fraction form
    770,435.62/1,155,811.04 = 264,930.92/x
  3. Step 3: Cross multiply
    770,435.62x = 1,155,811.04 × 264,930.92
  4. Step 4: Simplify right side
    770,435.62x = 306,210,080,397.43
  5. Step 5: Solve for x
    x = 306,210,080,397.43/770,435.62
  6. Step 6: Final answer
    x = 397,450.58

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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.