Finding the Fourth Proportional to 736,717.16, 1,105,075.96 and 331,435.99
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Solution
The fourth proportional to 736,717.16, 1,105,075.96 and 331,435.99 is: 497,154.08
Step by Step Solution
- Step 1: Write the proportion equation
736,717.16 : 1,105,075.96 = 331,435.99 : x - Step 2: Convert to fraction form
736,717.16/1,105,075.96 = 331,435.99/x - Step 3: Cross multiply
736,717.16x = 1,105,075.96 × 331,435.99 - Step 4: Simplify right side
736,717.16x = 366,261,944,827.80 - Step 5: Solve for x
x = 366,261,944,827.80/736,717.16 - Step 6: Final answer
x = 497,154.08
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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.