Finding the Fourth Proportional to 534,770.19, 737,912.70 and 319,831.83
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Solution
The fourth proportional to 534,770.19, 737,912.70 and 319,831.83 is: 441,325.96
Step by Step Solution
- Step 1: Write the proportion equation
534,770.19 : 737,912.70 = 319,831.83 : x - Step 2: Convert to fraction form
534,770.19/737,912.70 = 319,831.83/x - Step 3: Cross multiply
534,770.19x = 737,912.70 × 319,831.83 - Step 4: Simplify right side
534,770.19x = 236,007,969,221.24 - Step 5: Solve for x
x = 236,007,969,221.24/534,770.19 - Step 6: Final answer
x = 441,325.96
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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.