Home / 659,237.36-987,838.26-445,166.36

Finding the Fourth Proportional to 659,237.36, 987,838.26 and 445,166.36

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Solution

The fourth proportional to 659,237.36, 987,838.26 and 445,166.36 is: 667,062.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,237.36 : 987,838.26 = 445,166.36 : x
  2. Step 2: Convert to fraction form
    659,237.36/987,838.26 = 445,166.36/x
  3. Step 3: Cross multiply
    659,237.36x = 987,838.26 × 445,166.36
  4. Step 4: Simplify right side
    659,237.36x = 439,752,362,472.93
  5. Step 5: Solve for x
    x = 439,752,362,472.93/659,237.36
  6. Step 6: Final answer
    x = 667,062.26

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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.