Finding the Fourth Proportional to 614,897.62, 848,329.98 and 356,629.75
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Solution
The fourth proportional to 614,897.62, 848,329.98 and 356,629.75 is: 492,016.39
Step by Step Solution
- Step 1: Write the proportion equation
614,897.62 : 848,329.98 = 356,629.75 : x - Step 2: Convert to fraction form
614,897.62/848,329.98 = 356,629.75/x - Step 3: Cross multiply
614,897.62x = 848,329.98 × 356,629.75 - Step 4: Simplify right side
614,897.62x = 302,539,708,684.91 - Step 5: Solve for x
x = 302,539,708,684.91/614,897.62 - Step 6: Final answer
x = 492,016.39
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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.