Finding the Fourth Proportional to 534,492.92, 737,612.10 and 305,045.63
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Solution
The fourth proportional to 534,492.92, 737,612.10 and 305,045.63 is: 420,969.75
Step by Step Solution
- Step 1: Write the proportion equation
534,492.92 : 737,612.10 = 305,045.63 : x - Step 2: Convert to fraction form
534,492.92/737,612.10 = 305,045.63/x - Step 3: Cross multiply
534,492.92x = 737,612.10 × 305,045.63 - Step 4: Simplify right side
534,492.92x = 225,005,349,584.15 - Step 5: Solve for x
x = 225,005,349,584.15/534,492.92 - Step 6: Final answer
x = 420,969.75
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1.5x scale
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.