Home / 677,448.47-1,016,566.37-303,471.47

Finding the Fourth Proportional to 677,448.47, 1,016,566.37 and 303,471.47

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Solution

The fourth proportional to 677,448.47, 1,016,566.37 and 303,471.47 is: 455,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,448.47 : 1,016,566.37 = 303,471.47 : x
  2. Step 2: Convert to fraction form
    677,448.47/1,016,566.37 = 303,471.47/x
  3. Step 3: Cross multiply
    677,448.47x = 1,016,566.37 × 303,471.47
  4. Step 4: Simplify right side
    677,448.47x = 308,498,887,868.40
  5. Step 5: Solve for x
    x = 308,498,887,868.40/677,448.47
  6. Step 6: Final answer
    x = 455,383.55

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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.