Finding the Fourth Proportional to 592,377.66, 816,630.93 and 422,316.54
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Solution
The fourth proportional to 592,377.66, 816,630.93 and 422,316.54 is: 582,190.67
Step by Step Solution
- Step 1: Write the proportion equation
592,377.66 : 816,630.93 = 422,316.54 : x - Step 2: Convert to fraction form
592,377.66/816,630.93 = 422,316.54/x - Step 3: Cross multiply
592,377.66x = 816,630.93 × 422,316.54 - Step 4: Simplify right side
592,377.66x = 344,876,748,814.58 - Step 5: Solve for x
x = 344,876,748,814.58/592,377.66 - Step 6: Final answer
x = 582,190.67
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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.