Finding the Fourth Proportional to 565,908.62, 780,968.67 and 311,266.49
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Solution
The fourth proportional to 565,908.62, 780,968.67 and 311,266.49 is: 429,555.88
Step by Step Solution
- Step 1: Write the proportion equation
565,908.62 : 780,968.67 = 311,266.49 : x - Step 2: Convert to fraction form
565,908.62/780,968.67 = 311,266.49/x - Step 3: Cross multiply
565,908.62x = 780,968.67 × 311,266.49 - Step 4: Simplify right side
565,908.62x = 243,089,376,710.87 - Step 5: Solve for x
x = 243,089,376,710.87/565,908.62 - Step 6: Final answer
x = 429,555.88
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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.