Finding the Fourth Proportional to 914,739.49, 1,372,327.26 and 315,705.88
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Solution
The fourth proportional to 914,739.49, 1,372,327.26 and 315,705.88 is: 473,634.07
Step by Step Solution
- Step 1: Write the proportion equation
914,739.49 : 1,372,327.26 = 315,705.88 : x - Step 2: Convert to fraction form
914,739.49/1,372,327.26 = 315,705.88/x - Step 3: Cross multiply
914,739.49x = 1,372,327.26 × 315,705.88 - Step 4: Simplify right side
914,739.49x = 433,251,785,266.29 - Step 5: Solve for x
x = 433,251,785,266.29/914,739.49 - Step 6: Final answer
x = 473,634.07
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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.