Home / 940,371.39-1,298,043.63-558,395.37

Finding the Fourth Proportional to 940,371.39, 1,298,043.63 and 558,395.37

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Solution

The fourth proportional to 940,371.39, 1,298,043.63 and 558,395.37 is: 770,782.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,371.39 : 1,298,043.63 = 558,395.37 : x
  2. Step 2: Convert to fraction form
    940,371.39/1,298,043.63 = 558,395.37/x
  3. Step 3: Cross multiply
    940,371.39x = 1,298,043.63 × 558,395.37
  4. Step 4: Simplify right side
    940,371.39x = 724,821,553,049.99
  5. Step 5: Solve for x
    x = 724,821,553,049.99/940,371.39
  6. Step 6: Final answer
    x = 770,782.23

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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.