Finding the Fourth Proportional to 516,769.44, 713,105.04 and 290,449.44
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Solution
The fourth proportional to 516,769.44, 713,105.04 and 290,449.44 is: 400,799.55
Step by Step Solution
- Step 1: Write the proportion equation
516,769.44 : 713,105.04 = 290,449.44 : x - Step 2: Convert to fraction form
516,769.44/713,105.04 = 290,449.44/x - Step 3: Cross multiply
516,769.44x = 713,105.04 × 290,449.44 - Step 4: Simplify right side
516,769.44x = 207,120,959,529.18 - Step 5: Solve for x
x = 207,120,959,529.18/516,769.44 - Step 6: Final answer
x = 400,799.55
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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.