Finding the Fourth Proportional to 487,681.63, 730,858.24 and 274,551.19
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Solution
The fourth proportional to 487,681.63, 730,858.24 and 274,551.19 is: 411,452.86
Step by Step Solution
- Step 1: Write the proportion equation
487,681.63 : 730,858.24 = 274,551.19 : x - Step 2: Convert to fraction form
487,681.63/730,858.24 = 274,551.19/x - Step 3: Cross multiply
487,681.63x = 730,858.24 × 274,551.19 - Step 4: Simplify right side
487,681.63x = 200,657,999,513.31 - Step 5: Solve for x
x = 200,657,999,513.31/487,681.63 - Step 6: Final answer
x = 411,452.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.