Finding the Fourth Proportional to 772,193.24, 1,157,473.18 and 285,562.67
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Solution
The fourth proportional to 772,193.24, 1,157,473.18 and 285,562.67 is: 428,041.99
Step by Step Solution
- Step 1: Write the proportion equation
772,193.24 : 1,157,473.18 = 285,562.67 : x - Step 2: Convert to fraction form
772,193.24/1,157,473.18 = 285,562.67/x - Step 3: Cross multiply
772,193.24x = 1,157,473.18 × 285,562.67 - Step 4: Simplify right side
772,193.24x = 330,531,125,232.92 - Step 5: Solve for x
x = 330,531,125,232.92/772,193.24 - Step 6: Final answer
x = 428,041.99
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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.