Finding the Fourth Proportional to 1,123,462.80, 1,685,286.99 and 365,287.05
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Solution
The fourth proportional to 1,123,462.80, 1,685,286.99 and 365,287.05 is: 547,960.75
Step by Step Solution
- Step 1: Write the proportion equation
1,123,462.80 : 1,685,286.99 = 365,287.05 : x - Step 2: Convert to fraction form
1,123,462.80/1,685,286.99 = 365,287.05/x - Step 3: Cross multiply
1,123,462.80x = 1,685,286.99 × 365,287.05 - Step 4: Simplify right side
1,123,462.80x = 615,613,512,980.48 - Step 5: Solve for x
x = 615,613,512,980.48/1,123,462.80 - Step 6: Final answer
x = 547,960.75
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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.