Finding the Fourth Proportional to 635,257.68, 876,657.34 and 348,796.32
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Solution
The fourth proportional to 635,257.68, 876,657.34 and 348,796.32 is: 481,339.88
Step by Step Solution
- Step 1: Write the proportion equation
635,257.68 : 876,657.34 = 348,796.32 : x - Step 2: Convert to fraction form
635,257.68/876,657.34 = 348,796.32/x - Step 3: Cross multiply
635,257.68x = 876,657.34 × 348,796.32 - Step 4: Simplify right side
635,257.68x = 305,774,854,092.99 - Step 5: Solve for x
x = 305,774,854,092.99/635,257.68 - Step 6: Final answer
x = 481,339.88
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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.