Finding the Fourth Proportional to 565,917.36, 780,966.36 and 311,287.92
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Solution
The fourth proportional to 565,917.36, 780,966.36 and 311,287.92 is: 429,577.55
Step by Step Solution
- Step 1: Write the proportion equation
565,917.36 : 780,966.36 = 311,287.92 : x - Step 2: Convert to fraction form
565,917.36/780,966.36 = 311,287.92/x - Step 3: Cross multiply
565,917.36x = 780,966.36 × 311,287.92 - Step 4: Simplify right side
565,917.36x = 243,105,393,794.37 - Step 5: Solve for x
x = 243,105,393,794.37/565,917.36 - Step 6: Final answer
x = 429,577.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.