Home / 672,611.93-1,008,921.54-199,301.39

Finding the Fourth Proportional to 672,611.93, 1,008,921.54 and 199,301.39

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Solution

The fourth proportional to 672,611.93, 1,008,921.54 and 199,301.39 is: 298,953.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,611.93 : 1,008,921.54 = 199,301.39 : x
  2. Step 2: Convert to fraction form
    672,611.93/1,008,921.54 = 199,301.39/x
  3. Step 3: Cross multiply
    672,611.93x = 1,008,921.54 × 199,301.39
  4. Step 4: Simplify right side
    672,611.93x = 201,079,465,322.94
  5. Step 5: Solve for x
    x = 201,079,465,322.94/672,611.93
  6. Step 6: Final answer
    x = 298,953.17

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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.