Finding the Fourth Proportional to 770,785.08, 1,155,890.07 and 265,203.06
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Solution
The fourth proportional to 770,785.08, 1,155,890.07 and 265,203.06 is: 397,705.65
Step by Step Solution
- Step 1: Write the proportion equation
770,785.08 : 1,155,890.07 = 265,203.06 : x - Step 2: Convert to fraction form
770,785.08/1,155,890.07 = 265,203.06/x - Step 3: Cross multiply
770,785.08x = 1,155,890.07 × 265,203.06 - Step 4: Simplify right side
770,785.08x = 306,545,583,587.61 - Step 5: Solve for x
x = 306,545,583,587.61/770,785.08 - Step 6: Final answer
x = 397,705.65
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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.