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Finding the Fourth Proportional to 565,413.60, 848,120.40 and 285,477.60

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Solution

The fourth proportional to 565,413.60, 848,120.40 and 285,477.60 is: 428,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,413.60 : 848,120.40 = 285,477.60 : x
  2. Step 2: Convert to fraction form
    565,413.60/848,120.40 = 285,477.60/x
  3. Step 3: Cross multiply
    565,413.60x = 848,120.40 × 285,477.60
  4. Step 4: Simplify right side
    565,413.60x = 242,119,376,303.04
  5. Step 5: Solve for x
    x = 242,119,376,303.04/565,413.60
  6. Step 6: Final answer
    x = 428,216.40

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Similar ratio
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1.5x scale

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.