Home / 848,413.85-1,272,350.30-279,688.95

Finding the Fourth Proportional to 848,413.85, 1,272,350.30 and 279,688.95

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Solution

The fourth proportional to 848,413.85, 1,272,350.30 and 279,688.95 is: 419,444.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,413.85 : 1,272,350.30 = 279,688.95 : x
  2. Step 2: Convert to fraction form
    848,413.85/1,272,350.30 = 279,688.95/x
  3. Step 3: Cross multiply
    848,413.85x = 1,272,350.30 × 279,688.95
  4. Step 4: Simplify right side
    848,413.85x = 355,862,318,040.74
  5. Step 5: Solve for x
    x = 355,862,318,040.74/848,413.85
  6. Step 6: Final answer
    x = 419,444.26

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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.