Finding the Fourth Proportional to 635,363.62, 876,817.11 and 344,987.53
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Solution
The fourth proportional to 635,363.62, 876,817.11 and 344,987.53 is: 476,091.11
Step by Step Solution
- Step 1: Write the proportion equation
635,363.62 : 876,817.11 = 344,987.53 : x - Step 2: Convert to fraction form
635,363.62/876,817.11 = 344,987.53/x - Step 3: Cross multiply
635,363.62x = 876,817.11 × 344,987.53 - Step 4: Simplify right side
635,363.62x = 302,490,969,040.64 - Step 5: Solve for x
x = 302,490,969,040.64/635,363.62 - Step 6: Final answer
x = 476,091.11
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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.