Home / 1,005,738.26-1,508,698.58-331,821.50

Finding the Fourth Proportional to 1,005,738.26, 1,508,698.58 and 331,821.50

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Solution

The fourth proportional to 1,005,738.26, 1,508,698.58 and 331,821.50 is: 497,762.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,738.26 : 1,508,698.58 = 331,821.50 : x
  2. Step 2: Convert to fraction form
    1,005,738.26/1,508,698.58 = 331,821.50/x
  3. Step 3: Cross multiply
    1,005,738.26x = 1,508,698.58 × 331,821.50
  4. Step 4: Simplify right side
    1,005,738.26x = 500,618,616,660.87
  5. Step 5: Solve for x
    x = 500,618,616,660.87/1,005,738.26
  6. Step 6: Final answer
    x = 497,762.33

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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.