Finding the Fourth Proportional to 659,408.44, 989,278.98 and 304,673.26
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Solution
The fourth proportional to 659,408.44, 989,278.98 and 304,673.26 is: 457,086.74
Step by Step Solution
- Step 1: Write the proportion equation
659,408.44 : 989,278.98 = 304,673.26 : x - Step 2: Convert to fraction form
659,408.44/989,278.98 = 304,673.26/x - Step 3: Cross multiply
659,408.44x = 989,278.98 × 304,673.26 - Step 4: Simplify right side
659,408.44x = 301,406,851,886.08 - Step 5: Solve for x
x = 301,406,851,886.08/659,408.44 - Step 6: Final answer
x = 457,086.74
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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.