Finding the Fourth Proportional to 559,728.96, 772,446.96 and 318,052.68
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Solution
The fourth proportional to 559,728.96, 772,446.96 and 318,052.68 is: 438,924.63
Step by Step Solution
- Step 1: Write the proportion equation
559,728.96 : 772,446.96 = 318,052.68 : x - Step 2: Convert to fraction form
559,728.96/772,446.96 = 318,052.68/x - Step 3: Cross multiply
559,728.96x = 772,446.96 × 318,052.68 - Step 4: Simplify right side
559,728.96x = 245,678,825,785.85 - Step 5: Solve for x
x = 245,678,825,785.85/559,728.96 - Step 6: Final answer
x = 438,924.63
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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.