Finding the Fourth Proportional to 704,961.88, 972,821.06 and 382,665.08
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Solution
The fourth proportional to 704,961.88, 972,821.06 and 382,665.08 is: 528,063.52
Step by Step Solution
- Step 1: Write the proportion equation
704,961.88 : 972,821.06 = 382,665.08 : x - Step 2: Convert to fraction form
704,961.88/972,821.06 = 382,665.08/x - Step 3: Cross multiply
704,961.88x = 972,821.06 × 382,665.08 - Step 4: Simplify right side
704,961.88x = 372,264,648,750.59 - Step 5: Solve for x
x = 372,264,648,750.59/704,961.88 - Step 6: Final answer
x = 528,063.52
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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.