Finding the Fourth Proportional to 422,397.23, 635,393.84 and 382,892.58
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Solution
The fourth proportional to 422,397.23, 635,393.84 and 382,892.58 is: 575,968.71
Step by Step Solution
- Step 1: Write the proportion equation
422,397.23 : 635,393.84 = 382,892.58 : x - Step 2: Convert to fraction form
422,397.23/635,393.84 = 382,892.58/x - Step 3: Cross multiply
422,397.23x = 635,393.84 × 382,892.58 - Step 4: Simplify right side
422,397.23x = 243,287,584,799.24 - Step 5: Solve for x
x = 243,287,584,799.24/422,397.23 - Step 6: Final answer
x = 575,968.71
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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.