Home / 718,017.44-990,903.04-412,091.37

Finding the Fourth Proportional to 718,017.44, 990,903.04 and 412,091.37

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Solution

The fourth proportional to 718,017.44, 990,903.04 and 412,091.37 is: 568,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,017.44 : 990,903.04 = 412,091.37 : x
  2. Step 2: Convert to fraction form
    718,017.44/990,903.04 = 412,091.37/x
  3. Step 3: Cross multiply
    718,017.44x = 990,903.04 × 412,091.37
  4. Step 4: Simplify right side
    718,017.44x = 408,342,590,260.54
  5. Step 5: Solve for x
    x = 408,342,590,260.54/718,017.44
  6. Step 6: Final answer
    x = 568,708.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.