Finding the Fourth Proportional to 565,294.68, 780,077.79 and 310,596.66
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Solution
The fourth proportional to 565,294.68, 780,077.79 and 310,596.66 is: 428,607.53
Step by Step Solution
- Step 1: Write the proportion equation
565,294.68 : 780,077.79 = 310,596.66 : x - Step 2: Convert to fraction form
565,294.68/780,077.79 = 310,596.66/x - Step 3: Cross multiply
565,294.68x = 780,077.79 × 310,596.66 - Step 4: Simplify right side
565,294.68x = 242,289,556,114.18 - Step 5: Solve for x
x = 242,289,556,114.18/565,294.68 - Step 6: Final answer
x = 428,607.53
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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.