Finding the Fourth Proportional to 565,512.12, 780,412.26 and 307,388.91
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Solution
The fourth proportional to 565,512.12, 780,412.26 and 307,388.91 is: 424,199.70
Step by Step Solution
- Step 1: Write the proportion equation
565,512.12 : 780,412.26 = 307,388.91 : x - Step 2: Convert to fraction form
565,512.12/780,412.26 = 307,388.91/x - Step 3: Cross multiply
565,512.12x = 780,412.26 × 307,388.91 - Step 4: Simplify right side
565,512.12x = 239,890,073,952.04 - Step 5: Solve for x
x = 239,890,073,952.04/565,512.12 - Step 6: Final answer
x = 424,199.70
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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.