Finding the Fourth Proportional to 849,703.12, 1,172,590.08 and 467,728
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Solution
The fourth proportional to 849,703.12, 1,172,590.08 and 467,728 is: 645,464.52
Step by Step Solution
- Step 1: Write the proportion equation
849,703.12 : 1,172,590.08 = 467,728 : x - Step 2: Convert to fraction form
849,703.12/1,172,590.08 = 467,728/x - Step 3: Cross multiply
849,703.12x = 1,172,590.08 × 467,728 - Step 4: Simplify right side
849,703.12x = 548,453,212,938.24 - Step 5: Solve for x
x = 548,453,212,938.24/849,703.12 - Step 6: Final answer
x = 645,464.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.