Finding the Fourth Proportional to 1,109,424.80, 1,664,232.26 and 389,703.95
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Solution
The fourth proportional to 1,109,424.80, 1,664,232.26 and 389,703.95 is: 584,589.31
Step by Step Solution
- Step 1: Write the proportion equation
1,109,424.80 : 1,664,232.26 = 389,703.95 : x - Step 2: Convert to fraction form
1,109,424.80/1,664,232.26 = 389,703.95/x - Step 3: Cross multiply
1,109,424.80x = 1,664,232.26 × 389,703.95 - Step 4: Simplify right side
1,109,424.80x = 648,557,875,169.75 - Step 5: Solve for x
x = 648,557,875,169.75/1,109,424.80 - Step 6: Final answer
x = 584,589.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.