Finding the Fourth Proportional to 627,216.12, 865,696.00 and 412,376.18
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Solution
The fourth proportional to 627,216.12, 865,696.00 and 412,376.18 is: 569,169.69
Step by Step Solution
- Step 1: Write the proportion equation
627,216.12 : 865,696.00 = 412,376.18 : x - Step 2: Convert to fraction form
627,216.12/865,696.00 = 412,376.18/x - Step 3: Cross multiply
627,216.12x = 865,696.00 × 412,376.18 - Step 4: Simplify right side
627,216.12x = 356,992,407,408.22 - Step 5: Solve for x
x = 356,992,407,408.22/627,216.12 - Step 6: Final answer
x = 569,169.69
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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.