Finding the Fourth Proportional to 614,747.70, 922,121.55 and 334,811.70
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Solution
The fourth proportional to 614,747.70, 922,121.55 and 334,811.70 is: 502,217.55
Step by Step Solution
- Step 1: Write the proportion equation
614,747.70 : 922,121.55 = 334,811.70 : x - Step 2: Convert to fraction form
614,747.70/922,121.55 = 334,811.70/x - Step 3: Cross multiply
614,747.70x = 922,121.55 × 334,811.70 - Step 4: Simplify right side
614,747.70x = 308,737,083,762.14 - Step 5: Solve for x
x = 308,737,083,762.14/614,747.70 - Step 6: Final answer
x = 502,217.55
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1.5x scale
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.