Home / 558,268.14-770,413.65-303,621.15

Finding the Fourth Proportional to 558,268.14, 770,413.65 and 303,621.15

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Solution

The fourth proportional to 558,268.14, 770,413.65 and 303,621.15 is: 418,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,268.14 : 770,413.65 = 303,621.15 : x
  2. Step 2: Convert to fraction form
    558,268.14/770,413.65 = 303,621.15/x
  3. Step 3: Cross multiply
    558,268.14x = 770,413.65 × 303,621.15
  4. Step 4: Simplify right side
    558,268.14x = 233,913,878,388.70
  5. Step 5: Solve for x
    x = 233,913,878,388.70/558,268.14
  6. Step 6: Final answer
    x = 418,999.15

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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.