Finding the Fourth Proportional to 627,339.93, 865,716.63 and 340,862.07
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Solution
The fourth proportional to 627,339.93, 865,716.63 and 340,862.07 is: 470,382.88
Step by Step Solution
- Step 1: Write the proportion equation
627,339.93 : 865,716.63 = 340,862.07 : x - Step 2: Convert to fraction form
627,339.93/865,716.63 = 340,862.07/x - Step 3: Cross multiply
627,339.93x = 865,716.63 × 340,862.07 - Step 4: Simplify right side
627,339.93x = 295,089,962,535.22 - Step 5: Solve for x
x = 295,089,962,535.22/627,339.93 - Step 6: Final answer
x = 470,382.88
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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.