Finding the Fourth Proportional to 453,924.64, 626,097.36 and 393,388.96
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Solution
The fourth proportional to 453,924.64, 626,097.36 and 393,388.96 is: 542,600.62
Step by Step Solution
- Step 1: Write the proportion equation
453,924.64 : 626,097.36 = 393,388.96 : x - Step 2: Convert to fraction form
453,924.64/626,097.36 = 393,388.96/x - Step 3: Cross multiply
453,924.64x = 626,097.36 × 393,388.96 - Step 4: Simplify right side
453,924.64x = 246,299,789,309.15 - Step 5: Solve for x
x = 246,299,789,309.15/453,924.64 - Step 6: Final answer
x = 542,600.62
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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.