Finding the Fourth Proportional to 514,816.68, 710,447.22 and 313,612.68
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Solution
The fourth proportional to 514,816.68, 710,447.22 and 313,612.68 is: 432,785.62
Step by Step Solution
- Step 1: Write the proportion equation
514,816.68 : 710,447.22 = 313,612.68 : x - Step 2: Convert to fraction form
514,816.68/710,447.22 = 313,612.68/x - Step 3: Cross multiply
514,816.68x = 710,447.22 × 313,612.68 - Step 4: Simplify right side
514,816.68x = 222,805,256,662.75 - Step 5: Solve for x
x = 222,805,256,662.75/514,816.68 - Step 6: Final answer
x = 432,785.62
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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.