Finding the Fourth Proportional to 683,473.87, 943,175.66 and 377,543.68
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Solution
The fourth proportional to 683,473.87, 943,175.66 and 377,543.68 is: 521,000.17
Step by Step Solution
- Step 1: Write the proportion equation
683,473.87 : 943,175.66 = 377,543.68 : x - Step 2: Convert to fraction form
683,473.87/943,175.66 = 377,543.68/x - Step 3: Cross multiply
683,473.87x = 943,175.66 × 377,543.68 - Step 4: Simplify right side
683,473.87x = 356,090,005,317.17 - Step 5: Solve for x
x = 356,090,005,317.17/683,473.87 - Step 6: Final answer
x = 521,000.17
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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.