Finding the Fourth Proportional to 521,470.48, 719,629.36 and 283,006.48
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Solution
The fourth proportional to 521,470.48, 719,629.36 and 283,006.48 is: 390,549.00
Step by Step Solution
- Step 1: Write the proportion equation
521,470.48 : 719,629.36 = 283,006.48 : x - Step 2: Convert to fraction form
521,470.48/719,629.36 = 283,006.48/x - Step 3: Cross multiply
521,470.48x = 719,629.36 × 283,006.48 - Step 4: Simplify right side
521,470.48x = 203,659,772,078.25 - Step 5: Solve for x
x = 203,659,772,078.25/521,470.48 - Step 6: Final answer
x = 390,549.00
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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.