Finding the Fourth Proportional to 565,425.09, 780,286.77 and 307,301.99
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Solution
The fourth proportional to 565,425.09, 780,286.77 and 307,301.99 is: 424,076.82
Step by Step Solution
- Step 1: Write the proportion equation
565,425.09 : 780,286.77 = 307,301.99 : x - Step 2: Convert to fraction form
565,425.09/780,286.77 = 307,301.99/x - Step 3: Cross multiply
565,425.09x = 780,286.77 × 307,301.99 - Step 4: Simplify right side
565,425.09x = 239,783,673,290.24 - Step 5: Solve for x
x = 239,783,673,290.24/565,425.09 - Step 6: Final answer
x = 424,076.82
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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.