Finding the Fourth Proportional to 891,616.14, 1,337,466.58 and 284,468.72
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Solution
The fourth proportional to 891,616.14, 1,337,466.58 and 284,468.72 is: 426,716.60
Step by Step Solution
- Step 1: Write the proportion equation
891,616.14 : 1,337,466.58 = 284,468.72 : x - Step 2: Convert to fraction form
891,616.14/1,337,466.58 = 284,468.72/x - Step 3: Cross multiply
891,616.14x = 1,337,466.58 × 284,468.72 - Step 4: Simplify right side
891,616.14x = 380,467,407,780.26 - Step 5: Solve for x
x = 380,467,407,780.26/891,616.14 - Step 6: Final answer
x = 426,716.60
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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.