Home / 770,838.92-1,155,971.09-265,258.52

Finding the Fourth Proportional to 770,838.92, 1,155,971.09 and 265,258.52

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Solution

The fourth proportional to 770,838.92, 1,155,971.09 and 265,258.52 is: 397,788.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,838.92 : 1,155,971.09 = 265,258.52 : x
  2. Step 2: Convert to fraction form
    770,838.92/1,155,971.09 = 265,258.52/x
  3. Step 3: Cross multiply
    770,838.92x = 1,155,971.09 × 265,258.52
  4. Step 4: Simplify right side
    770,838.92x = 306,631,175,379.48
  5. Step 5: Solve for x
    x = 306,631,175,379.48/770,838.92
  6. Step 6: Final answer
    x = 397,788.91

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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.