Home / 891,413.68-1,335,863.40-492,234.16

Finding the Fourth Proportional to 891,413.68, 1,335,863.40 and 492,234.16

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Solution

The fourth proportional to 891,413.68, 1,335,863.40 and 492,234.16 is: 737,657.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,413.68 : 1,335,863.40 = 492,234.16 : x
  2. Step 2: Convert to fraction form
    891,413.68/1,335,863.40 = 492,234.16/x
  3. Step 3: Cross multiply
    891,413.68x = 1,335,863.40 × 492,234.16
  4. Step 4: Simplify right side
    891,413.68x = 657,557,598,573.74
  5. Step 5: Solve for x
    x = 657,557,598,573.74/891,413.68
  6. Step 6: Final answer
    x = 737,657.06

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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.