Home / 677,469.76-1,016,598.20-303,492.76

Finding the Fourth Proportional to 677,469.76, 1,016,598.20 and 303,492.76

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Solution

The fourth proportional to 677,469.76, 1,016,598.20 and 303,492.76 is: 455,415.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,469.76 : 1,016,598.20 = 303,492.76 : x
  2. Step 2: Convert to fraction form
    677,469.76/1,016,598.20 = 303,492.76/x
  3. Step 3: Cross multiply
    677,469.76x = 1,016,598.20 × 303,492.76
  4. Step 4: Simplify right side
    677,469.76x = 308,530,189,470.07
  5. Step 5: Solve for x
    x = 308,530,189,470.07/677,469.76
  6. Step 6: Final answer
    x = 455,415.44

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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.