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Finding the Fourth Proportional to 454,365.64, 627,131.49 and 282,413.50

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Solution

The fourth proportional to 454,365.64, 627,131.49 and 282,413.50 is: 389,797.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,365.64 : 627,131.49 = 282,413.50 : x
  2. Step 2: Convert to fraction form
    454,365.64/627,131.49 = 282,413.50/x
  3. Step 3: Cross multiply
    454,365.64x = 627,131.49 × 282,413.50
  4. Step 4: Simplify right side
    454,365.64x = 177,110,399,051.12
  5. Step 5: Solve for x
    x = 177,110,399,051.12/454,365.64
  6. Step 6: Final answer
    x = 389,797.08

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1.5x scale

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.