Home / 758,405.88-1,137,611.93-189,785.43

Finding the Fourth Proportional to 758,405.88, 1,137,611.93 and 189,785.43

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Solution

The fourth proportional to 758,405.88, 1,137,611.93 and 189,785.43 is: 284,678.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,405.88 : 1,137,611.93 = 189,785.43 : x
  2. Step 2: Convert to fraction form
    758,405.88/1,137,611.93 = 189,785.43/x
  3. Step 3: Cross multiply
    758,405.88x = 1,137,611.93 × 189,785.43
  4. Step 4: Simplify right side
    758,405.88x = 215,902,168,359.25
  5. Step 5: Solve for x
    x = 215,902,168,359.25/758,405.88
  6. Step 6: Final answer
    x = 284,678.92

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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.