Home / 843,647.95-1,265,603.75-274,897.13

Finding the Fourth Proportional to 843,647.95, 1,265,603.75 and 274,897.13

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Solution

The fourth proportional to 843,647.95, 1,265,603.75 and 274,897.13 is: 412,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,647.95 : 1,265,603.75 = 274,897.13 : x
  2. Step 2: Convert to fraction form
    843,647.95/1,265,603.75 = 274,897.13/x
  3. Step 3: Cross multiply
    843,647.95x = 1,265,603.75 × 274,897.13
  4. Step 4: Simplify right side
    843,647.95x = 347,910,837,217.75
  5. Step 5: Solve for x
    x = 347,910,837,217.75/843,647.95
  6. Step 6: Final answer
    x = 412,388.65

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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.