Home / 809,799.20-1,214,727.60-248,832.80

Finding the Fourth Proportional to 809,799.20, 1,214,727.60 and 248,832.80

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Solution

The fourth proportional to 809,799.20, 1,214,727.60 and 248,832.80 is: 373,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,799.20 : 1,214,727.60 = 248,832.80 : x
  2. Step 2: Convert to fraction form
    809,799.20/1,214,727.60 = 248,832.80/x
  3. Step 3: Cross multiply
    809,799.20x = 1,214,727.60 × 248,832.80
  4. Step 4: Simplify right side
    809,799.20x = 302,264,069,945.28
  5. Step 5: Solve for x
    x = 302,264,069,945.28/809,799.20
  6. Step 6: Final answer
    x = 373,258.05

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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.