Finding the Fourth Proportional to 565,468.36, 780,346.92 and 310,814.08
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Solution
The fourth proportional to 565,468.36, 780,346.92 and 310,814.08 is: 428,923.75
Step by Step Solution
- Step 1: Write the proportion equation
565,468.36 : 780,346.92 = 310,814.08 : x - Step 2: Convert to fraction form
565,468.36/780,346.92 = 310,814.08/x - Step 3: Cross multiply
565,468.36x = 780,346.92 × 310,814.08 - Step 4: Simplify right side
565,468.36x = 242,542,810,020.63 - Step 5: Solve for x
x = 242,542,810,020.63/565,468.36 - Step 6: Final answer
x = 428,923.75
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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.