Finding the Fourth Proportional to 745,217.19, 1,117,844.23 and 271,902.53
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Solution
The fourth proportional to 745,217.19, 1,117,844.23 and 271,902.53 is: 407,860.52
Step by Step Solution
- Step 1: Write the proportion equation
745,217.19 : 1,117,844.23 = 271,902.53 : x - Step 2: Convert to fraction form
745,217.19/1,117,844.23 = 271,902.53/x - Step 3: Cross multiply
745,217.19x = 1,117,844.23 × 271,902.53 - Step 4: Simplify right side
745,217.19x = 303,944,674,282.90 - Step 5: Solve for x
x = 303,944,674,282.90/745,217.19 - Step 6: Final answer
x = 407,860.52
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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.