Finding the Fourth Proportional to 638,071.04, 880,577.34 and 351,591.08
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Solution
The fourth proportional to 638,071.04, 880,577.34 and 351,591.08 is: 485,217.35
Step by Step Solution
- Step 1: Write the proportion equation
638,071.04 : 880,577.34 = 351,591.08 : x - Step 2: Convert to fraction form
638,071.04/880,577.34 = 351,591.08/x - Step 3: Cross multiply
638,071.04x = 880,577.34 × 351,591.08 - Step 4: Simplify right side
638,071.04x = 309,603,137,994.13 - Step 5: Solve for x
x = 309,603,137,994.13/638,071.04 - Step 6: Final answer
x = 485,217.35
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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.