Finding the Fourth Proportional to 672,302.40, 927,777.51 and 366,378.87
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Solution
The fourth proportional to 672,302.40, 927,777.51 and 366,378.87 is: 505,602.95
Step by Step Solution
- Step 1: Write the proportion equation
672,302.40 : 927,777.51 = 366,378.87 : x - Step 2: Convert to fraction form
672,302.40/927,777.51 = 366,378.87/x - Step 3: Cross multiply
672,302.40x = 927,777.51 × 366,378.87 - Step 4: Simplify right side
672,302.40x = 339,918,075,725.21 - Step 5: Solve for x
x = 339,918,075,725.21/672,302.40 - Step 6: Final answer
x = 505,602.95
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1.5x scale
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.