Home / 767,240-1,150,811.80-234,718.72

Finding the Fourth Proportional to 767,240, 1,150,811.80 and 234,718.72

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Solution

The fourth proportional to 767,240, 1,150,811.80 and 234,718.72 is: 352,063.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,240 : 1,150,811.80 = 234,718.72 : x
  2. Step 2: Convert to fraction form
    767,240/1,150,811.80 = 234,718.72/x
  3. Step 3: Cross multiply
    767,240x = 1,150,811.80 × 234,718.72
  4. Step 4: Simplify right side
    767,240x = 270,117,072,656.90
  5. Step 5: Solve for x
    x = 270,117,072,656.90/767,240
  6. Step 6: Final answer
    x = 352,063.33

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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.