Finding the Fourth Proportional to 534,754.68, 737,891.34 and 319,816.44
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Solution
The fourth proportional to 534,754.68, 737,891.34 and 319,816.44 is: 441,304.75
Step by Step Solution
- Step 1: Write the proportion equation
534,754.68 : 737,891.34 = 319,816.44 : x - Step 2: Convert to fraction form
534,754.68/737,891.34 = 319,816.44/x - Step 3: Cross multiply
534,754.68x = 737,891.34 × 319,816.44 - Step 4: Simplify right side
534,754.68x = 235,989,781,465.63 - Step 5: Solve for x
x = 235,989,781,465.63/534,754.68 - Step 6: Final answer
x = 441,304.75
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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.