Finding the Fourth Proportional to 565,528.24, 780,439.62 and 310,879.36
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Solution
The fourth proportional to 565,528.24, 780,439.62 and 310,879.36 is: 429,019.37
Step by Step Solution
- Step 1: Write the proportion equation
565,528.24 : 780,439.62 = 310,879.36 : x - Step 2: Convert to fraction form
565,528.24/780,439.62 = 310,879.36/x - Step 3: Cross multiply
565,528.24x = 780,439.62 × 310,879.36 - Step 4: Simplify right side
565,528.24x = 242,622,569,584.24 - Step 5: Solve for x
x = 242,622,569,584.24/565,528.24 - Step 6: Final answer
x = 429,019.37
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1.5x scale
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.