Finding the Fourth Proportional to 891,827.88, 1,230,723.36 and 509,862.96
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Solution
The fourth proportional to 891,827.88, 1,230,723.36 and 509,862.96 is: 703,611.39
Step by Step Solution
- Step 1: Write the proportion equation
891,827.88 : 1,230,723.36 = 509,862.96 : x - Step 2: Convert to fraction form
891,827.88/1,230,723.36 = 509,862.96/x - Step 3: Cross multiply
891,827.88x = 1,230,723.36 × 509,862.96 - Step 4: Simplify right side
891,827.88x = 627,500,255,270.75 - Step 5: Solve for x
x = 627,500,255,270.75/891,827.88 - Step 6: Final answer
x = 703,611.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.