Finding the Fourth Proportional to 891,621.86, 1,230,438.03 and 509,656.84
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Solution
The fourth proportional to 891,621.86, 1,230,438.03 and 509,656.84 is: 703,326.36
Step by Step Solution
- Step 1: Write the proportion equation
891,621.86 : 1,230,438.03 = 509,656.84 : x - Step 2: Convert to fraction form
891,621.86/1,230,438.03 = 509,656.84/x - Step 3: Cross multiply
891,621.86x = 1,230,438.03 × 509,656.84 - Step 4: Simplify right side
891,621.86x = 627,101,158,185.63 - Step 5: Solve for x
x = 627,101,158,185.63/891,621.86 - Step 6: Final answer
x = 703,326.36
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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.