Finding the Fourth Proportional to 771,418.71, 1,158,232.50 and 472,492.26
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Solution
The fourth proportional to 771,418.71, 1,158,232.50 and 472,492.26 is: 709,414.85
Step by Step Solution
- Step 1: Write the proportion equation
771,418.71 : 1,158,232.50 = 472,492.26 : x - Step 2: Convert to fraction form
771,418.71/1,158,232.50 = 472,492.26/x - Step 3: Cross multiply
771,418.71x = 1,158,232.50 × 472,492.26 - Step 4: Simplify right side
771,418.71x = 547,255,891,530.45 - Step 5: Solve for x
x = 547,255,891,530.45/771,418.71 - Step 6: Final answer
x = 709,414.85
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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.