Finding the Fourth Proportional to 520,704.54, 718,283.09 and 302,888.68
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Solution
The fourth proportional to 520,704.54, 718,283.09 and 302,888.68 is: 417,818.17
Step by Step Solution
- Step 1: Write the proportion equation
520,704.54 : 718,283.09 = 302,888.68 : x - Step 2: Convert to fraction form
520,704.54/718,283.09 = 302,888.68/x - Step 3: Cross multiply
520,704.54x = 718,283.09 × 302,888.68 - Step 4: Simplify right side
520,704.54x = 217,559,816,996.42 - Step 5: Solve for x
x = 217,559,816,996.42/520,704.54 - Step 6: Final answer
x = 417,818.17
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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.