Finding the Fourth Proportional to 635,381.70, 876,829.14 and 344,993.70
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Solution
The fourth proportional to 635,381.70, 876,829.14 and 344,993.70 is: 476,092.61
Step by Step Solution
- Step 1: Write the proportion equation
635,381.70 : 876,829.14 = 344,993.70 : x - Step 2: Convert to fraction form
635,381.70/876,829.14 = 344,993.70/x - Step 3: Cross multiply
635,381.70x = 876,829.14 × 344,993.70 - Step 4: Simplify right side
635,381.70x = 302,500,529,276.42 - Step 5: Solve for x
x = 302,500,529,276.42/635,381.70 - Step 6: Final answer
x = 476,092.61
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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.