Home / 677,490.14-1,016,628.77-303,513.14

Finding the Fourth Proportional to 677,490.14, 1,016,628.77 and 303,513.14

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Solution

The fourth proportional to 677,490.14, 1,016,628.77 and 303,513.14 is: 455,446.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,490.14 : 1,016,628.77 = 303,513.14 : x
  2. Step 2: Convert to fraction form
    677,490.14/1,016,628.77 = 303,513.14/x
  3. Step 3: Cross multiply
    677,490.14x = 1,016,628.77 × 303,513.14
  4. Step 4: Simplify right side
    677,490.14x = 308,560,190,197.04
  5. Step 5: Solve for x
    x = 308,560,190,197.04/677,490.14
  6. Step 6: Final answer
    x = 455,446.02

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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.