Home / 809,025.60-1,213,975.80-359,815.80

Finding the Fourth Proportional to 809,025.60, 1,213,975.80 and 359,815.80

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Solution

The fourth proportional to 809,025.60, 1,213,975.80 and 359,815.80 is: 539,918.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,025.60 : 1,213,975.80 = 359,815.80 : x
  2. Step 2: Convert to fraction form
    809,025.60/1,213,975.80 = 359,815.80/x
  3. Step 3: Cross multiply
    809,025.60x = 1,213,975.80 × 359,815.80
  4. Step 4: Simplify right side
    809,025.60x = 436,807,673,657.64
  5. Step 5: Solve for x
    x = 436,807,673,657.64/809,025.60
  6. Step 6: Final answer
    x = 539,918.23

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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.