Finding the Fourth Proportional to 511,854.12, 764,782.81 and 493,953.55
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Solution
The fourth proportional to 511,854.12, 764,782.81 and 493,953.55 is: 738,036.80
Step by Step Solution
- Step 1: Write the proportion equation
511,854.12 : 764,782.81 = 493,953.55 : x - Step 2: Convert to fraction form
511,854.12/764,782.81 = 493,953.55/x - Step 3: Cross multiply
511,854.12x = 764,782.81 × 493,953.55 - Step 4: Simplify right side
511,854.12x = 377,767,177,684.79 - Step 5: Solve for x
x = 377,767,177,684.79/511,854.12 - Step 6: Final answer
x = 738,036.80
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.