Home / 828,312.75-1,242,496.67-229,223.79

Finding the Fourth Proportional to 828,312.75, 1,242,496.67 and 229,223.79

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Solution

The fourth proportional to 828,312.75, 1,242,496.67 and 229,223.79 is: 343,843.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,312.75 : 1,242,496.67 = 229,223.79 : x
  2. Step 2: Convert to fraction form
    828,312.75/1,242,496.67 = 229,223.79/x
  3. Step 3: Cross multiply
    828,312.75x = 1,242,496.67 × 229,223.79
  4. Step 4: Simplify right side
    828,312.75x = 284,809,794,613.66
  5. Step 5: Solve for x
    x = 284,809,794,613.66/828,312.75
  6. Step 6: Final answer
    x = 343,843.31

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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.