Finding the Fourth Proportional to 877,912.26, 1,211,617.26 and 495,963.63
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Solution
The fourth proportional to 877,912.26, 1,211,617.26 and 495,963.63 is: 684,485.37
Step by Step Solution
- Step 1: Write the proportion equation
877,912.26 : 1,211,617.26 = 495,963.63 : x - Step 2: Convert to fraction form
877,912.26/1,211,617.26 = 495,963.63/x - Step 3: Cross multiply
877,912.26x = 1,211,617.26 × 495,963.63 - Step 4: Simplify right side
877,912.26x = 600,918,094,440.25 - Step 5: Solve for x
x = 600,918,094,440.25/877,912.26 - Step 6: Final answer
x = 684,485.37
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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.