Finding the Fourth Proportional to 725,069.21, 1,000,559.62 and 419,116.44
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Solution
The fourth proportional to 725,069.21, 1,000,559.62 and 419,116.44 is: 578,359.95
Step by Step Solution
- Step 1: Write the proportion equation
725,069.21 : 1,000,559.62 = 419,116.44 : x - Step 2: Convert to fraction form
725,069.21/1,000,559.62 = 419,116.44/x - Step 3: Cross multiply
725,069.21x = 1,000,559.62 × 419,116.44 - Step 4: Simplify right side
725,069.21x = 419,350,990,218.15 - Step 5: Solve for x
x = 419,350,990,218.15/725,069.21 - Step 6: Final answer
x = 578,359.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.