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Finding the Fourth Proportional to 505,952.10, 759,441.69 and 253,413.54

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Solution

The fourth proportional to 505,952.10, 759,441.69 and 253,413.54 is: 380,377.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,952.10 : 759,441.69 = 253,413.54 : x
  2. Step 2: Convert to fraction form
    505,952.10/759,441.69 = 253,413.54/x
  3. Step 3: Cross multiply
    505,952.10x = 759,441.69 × 253,413.54
  4. Step 4: Simplify right side
    505,952.10x = 192,452,807,086.48
  5. Step 5: Solve for x
    x = 192,452,807,086.48/505,952.10
  6. Step 6: Final answer
    x = 380,377.52

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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.