Home / 677,520.73-1,016,674.80-303,543.73

Finding the Fourth Proportional to 677,520.73, 1,016,674.80 and 303,543.73

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Solution

The fourth proportional to 677,520.73, 1,016,674.80 and 303,543.73 is: 455,491.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,520.73 : 1,016,674.80 = 303,543.73 : x
  2. Step 2: Convert to fraction form
    677,520.73/1,016,674.80 = 303,543.73/x
  3. Step 3: Cross multiply
    677,520.73x = 1,016,674.80 × 303,543.73
  4. Step 4: Simplify right side
    677,520.73x = 308,605,260,989.00
  5. Step 5: Solve for x
    x = 308,605,260,989.00/677,520.73
  6. Step 6: Final answer
    x = 455,491.98

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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.