Finding the Fourth Proportional to 745,804.53, 1,118,868.80 and 272,489.13
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Solution
The fourth proportional to 745,804.53, 1,118,868.80 and 272,489.13 is: 408,792.88
Step by Step Solution
- Step 1: Write the proportion equation
745,804.53 : 1,118,868.80 = 272,489.13 : x - Step 2: Convert to fraction form
745,804.53/1,118,868.80 = 272,489.13/x - Step 3: Cross multiply
745,804.53x = 1,118,868.80 × 272,489.13 - Step 4: Simplify right side
745,804.53x = 304,879,578,939.35 - Step 5: Solve for x
x = 304,879,578,939.35/745,804.53 - Step 6: Final answer
x = 408,792.88
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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.