Home / 979,998.27-1,469,686.37-314,994.75

Finding the Fourth Proportional to 979,998.27, 1,469,686.37 and 314,994.75

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Solution

The fourth proportional to 979,998.27, 1,469,686.37 and 314,994.75 is: 472,392.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,998.27 : 1,469,686.37 = 314,994.75 : x
  2. Step 2: Convert to fraction form
    979,998.27/1,469,686.37 = 314,994.75/x
  3. Step 3: Cross multiply
    979,998.27x = 1,469,686.37 × 314,994.75
  4. Step 4: Simplify right side
    979,998.27x = 462,943,489,121.58
  5. Step 5: Solve for x
    x = 462,943,489,121.58/979,998.27
  6. Step 6: Final answer
    x = 472,392.15

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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.