Finding the Fourth Proportional to 516,924.23, 713,388.09 and 290,584.31
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Solution
The fourth proportional to 516,924.23, 713,388.09 and 290,584.31 is: 401,024.70
Step by Step Solution
- Step 1: Write the proportion equation
516,924.23 : 713,388.09 = 290,584.31 : x - Step 2: Convert to fraction form
516,924.23/713,388.09 = 290,584.31/x - Step 3: Cross multiply
516,924.23x = 713,388.09 × 290,584.31 - Step 4: Simplify right side
516,924.23x = 207,299,380,875.01 - Step 5: Solve for x
x = 207,299,380,875.01/516,924.23 - Step 6: Final answer
x = 401,024.70
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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.