Finding the Fourth Proportional to 497,902.88, 687,102.84 and 283,042.94
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Solution
The fourth proportional to 497,902.88, 687,102.84 and 283,042.94 is: 390,597.48
Step by Step Solution
- Step 1: Write the proportion equation
497,902.88 : 687,102.84 = 283,042.94 : x - Step 2: Convert to fraction form
497,902.88/687,102.84 = 283,042.94/x - Step 3: Cross multiply
497,902.88x = 687,102.84 × 283,042.94 - Step 4: Simplify right side
497,902.88x = 194,479,607,915.95 - Step 5: Solve for x
x = 194,479,607,915.95/497,902.88 - Step 6: Final answer
x = 390,597.48
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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.