Finding the Fourth Proportional to 676,342.08, 933,329.12 and 385,969.68
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Solution
The fourth proportional to 676,342.08, 933,329.12 and 385,969.68 is: 532,625.06
Step by Step Solution
- Step 1: Write the proportion equation
676,342.08 : 933,329.12 = 385,969.68 : x - Step 2: Convert to fraction form
676,342.08/933,329.12 = 385,969.68/x - Step 3: Cross multiply
676,342.08x = 933,329.12 × 385,969.68 - Step 4: Simplify right side
676,342.08x = 360,236,741,781.08 - Step 5: Solve for x
x = 360,236,741,781.08/676,342.08 - Step 6: Final answer
x = 532,625.06
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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.