Finding the Fourth Proportional to 569,211.18, 785,527.68 and 311,102.46
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Solution
The fourth proportional to 569,211.18, 785,527.68 and 311,102.46 is: 429,330.28
Step by Step Solution
- Step 1: Write the proportion equation
569,211.18 : 785,527.68 = 311,102.46 : x - Step 2: Convert to fraction form
569,211.18/785,527.68 = 311,102.46/x - Step 3: Cross multiply
569,211.18x = 785,527.68 × 311,102.46 - Step 4: Simplify right side
569,211.18x = 244,379,593,646.09 - Step 5: Solve for x
x = 244,379,593,646.09/569,211.18 - Step 6: Final answer
x = 429,330.28
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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.