Finding the Fourth Proportional to 853,078.41, 1,177,238.75 and 471,097.53
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Solution
The fourth proportional to 853,078.41, 1,177,238.75 and 471,097.53 is: 650,109.37
Step by Step Solution
- Step 1: Write the proportion equation
853,078.41 : 1,177,238.75 = 471,097.53 : x - Step 2: Convert to fraction form
853,078.41/1,177,238.75 = 471,097.53/x - Step 3: Cross multiply
853,078.41x = 1,177,238.75 × 471,097.53 - Step 4: Simplify right side
853,078.41x = 554,594,264,989.80 - Step 5: Solve for x
x = 554,594,264,989.80/853,078.41 - Step 6: Final answer
x = 650,109.37
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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.