Home / 986,619.47-1,479,940.38-346,942.22

Finding the Fourth Proportional to 986,619.47, 1,479,940.38 and 346,942.22

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Solution

The fourth proportional to 986,619.47, 1,479,940.38 and 346,942.22 is: 520,417.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,619.47 : 1,479,940.38 = 346,942.22 : x
  2. Step 2: Convert to fraction form
    986,619.47/1,479,940.38 = 346,942.22/x
  3. Step 3: Cross multiply
    986,619.47x = 1,479,940.38 × 346,942.22
  4. Step 4: Simplify right side
    986,619.47x = 513,453,800,904.84
  5. Step 5: Solve for x
    x = 513,453,800,904.84/986,619.47
  6. Step 6: Final answer
    x = 520,417.26

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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.