Home / 941,397.35-1,299,136.82-511,678.38

Finding the Fourth Proportional to 941,397.35, 1,299,136.82 and 511,678.38

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Solution

The fourth proportional to 941,397.35, 1,299,136.82 and 511,678.38 is: 706,120.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,397.35 : 1,299,136.82 = 511,678.38 : x
  2. Step 2: Convert to fraction form
    941,397.35/1,299,136.82 = 511,678.38/x
  3. Step 3: Cross multiply
    941,397.35x = 1,299,136.82 × 511,678.38
  4. Step 4: Simplify right side
    941,397.35x = 664,740,223,455.95
  5. Step 5: Solve for x
    x = 664,740,223,455.95/941,397.35
  6. Step 6: Final answer
    x = 706,120.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.