Finding the Fourth Proportional to 777,257.93, 1,165,886.91 and 303,611.13
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Solution
The fourth proportional to 777,257.93, 1,165,886.91 and 303,611.13 is: 455,416.70
Step by Step Solution
- Step 1: Write the proportion equation
777,257.93 : 1,165,886.91 = 303,611.13 : x - Step 2: Convert to fraction form
777,257.93/1,165,886.91 = 303,611.13/x - Step 3: Cross multiply
777,257.93x = 1,165,886.91 × 303,611.13 - Step 4: Simplify right side
777,257.93x = 353,976,242,197.31 - Step 5: Solve for x
x = 353,976,242,197.31/777,257.93 - Step 6: Final answer
x = 455,416.70
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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.