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Finding the Fourth Proportional to 448,413.60, 628,245.60 and 448,413.60

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Solution

The fourth proportional to 448,413.60, 628,245.60 and 448,413.60 is: 628,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,413.60 : 628,245.60 = 448,413.60 : x
  2. Step 2: Convert to fraction form
    448,413.60/628,245.60 = 448,413.60/x
  3. Step 3: Cross multiply
    448,413.60x = 628,245.60 × 448,413.60
  4. Step 4: Simplify right side
    448,413.60x = 281,713,871,180.16
  5. Step 5: Solve for x
    x = 281,713,871,180.16/448,413.60
  6. Step 6: Final answer
    x = 628,245.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.