Finding the Fourth Proportional to 488,859.30, 733,288.95 and 415,048.05
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Solution
The fourth proportional to 488,859.30, 733,288.95 and 415,048.05 is: 622,572.08
Step by Step Solution
- Step 1: Write the proportion equation
488,859.30 : 733,288.95 = 415,048.05 : x - Step 2: Convert to fraction form
488,859.30/733,288.95 = 415,048.05/x - Step 3: Cross multiply
488,859.30x = 733,288.95 × 415,048.05 - Step 4: Simplify right side
488,859.30x = 304,350,148,784.05 - Step 5: Solve for x
x = 304,350,148,784.05/488,859.30 - Step 6: Final answer
x = 622,572.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.