Home / 855,239.82-1,282,833.27-406,283.82

Finding the Fourth Proportional to 855,239.82, 1,282,833.27 and 406,283.82

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Solution

The fourth proportional to 855,239.82, 1,282,833.27 and 406,283.82 is: 609,413.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,239.82 : 1,282,833.27 = 406,283.82 : x
  2. Step 2: Convert to fraction form
    855,239.82/1,282,833.27 = 406,283.82/x
  3. Step 3: Cross multiply
    855,239.82x = 1,282,833.27 × 406,283.82
  4. Step 4: Simplify right side
    855,239.82x = 521,194,401,358.69
  5. Step 5: Solve for x
    x = 521,194,401,358.69/855,239.82
  6. Step 6: Final answer
    x = 609,413.16

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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.