Home / 781,828.75-1,172,745.56-190,852.75

Finding the Fourth Proportional to 781,828.75, 1,172,745.56 and 190,852.75

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Solution

The fourth proportional to 781,828.75, 1,172,745.56 and 190,852.75 is: 286,279.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,828.75 : 1,172,745.56 = 190,852.75 : x
  2. Step 2: Convert to fraction form
    781,828.75/1,172,745.56 = 190,852.75/x
  3. Step 3: Cross multiply
    781,828.75x = 1,172,745.56 × 190,852.75
  4. Step 4: Simplify right side
    781,828.75x = 223,821,715,176.29
  5. Step 5: Solve for x
    x = 223,821,715,176.29/781,828.75
  6. Step 6: Final answer
    x = 286,279.72

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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.