Home / 629,323.07-943,634.69-208,369.31

Finding the Fourth Proportional to 629,323.07, 943,634.69 and 208,369.31

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Solution

The fourth proportional to 629,323.07, 943,634.69 and 208,369.31 is: 312,438.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,323.07 : 943,634.69 = 208,369.31 : x
  2. Step 2: Convert to fraction form
    629,323.07/943,634.69 = 208,369.31/x
  3. Step 3: Cross multiply
    629,323.07x = 943,634.69 × 208,369.31
  4. Step 4: Simplify right side
    629,323.07x = 196,624,508,205.52
  5. Step 5: Solve for x
    x = 196,624,508,205.52/629,323.07
  6. Step 6: Final answer
    x = 312,438.11

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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.