Finding the Fourth Proportional to 529,534.36, 730,762.26 and 287,817.48
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Solution
The fourth proportional to 529,534.36, 730,762.26 and 287,817.48 is: 397,190.75
Step by Step Solution
- Step 1: Write the proportion equation
529,534.36 : 730,762.26 = 287,817.48 : x - Step 2: Convert to fraction form
529,534.36/730,762.26 = 287,817.48/x - Step 3: Cross multiply
529,534.36x = 730,762.26 × 287,817.48 - Step 4: Simplify right side
529,534.36x = 210,326,152,152.31 - Step 5: Solve for x
x = 210,326,152,152.31/529,534.36 - Step 6: Final answer
x = 397,190.75
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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.