Home / 903,645.65-1,355,418.59-660,735.65

Finding the Fourth Proportional to 903,645.65, 1,355,418.59 and 660,735.65

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Solution

The fourth proportional to 903,645.65, 1,355,418.59 and 660,735.65 is: 991,067.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,645.65 : 1,355,418.59 = 660,735.65 : x
  2. Step 2: Convert to fraction form
    903,645.65/1,355,418.59 = 660,735.65/x
  3. Step 3: Cross multiply
    903,645.65x = 1,355,418.59 × 660,735.65
  4. Step 4: Simplify right side
    903,645.65x = 895,573,383,085.73
  5. Step 5: Solve for x
    x = 895,573,383,085.73/903,645.65
  6. Step 6: Final answer
    x = 991,067.00

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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.