Finding the Fourth Proportional to 571,342.29, 788,452.25 and 313,221.07
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Solution
The fourth proportional to 571,342.29, 788,452.25 and 313,221.07 is: 432,245.02
Step by Step Solution
- Step 1: Write the proportion equation
571,342.29 : 788,452.25 = 313,221.07 : x - Step 2: Convert to fraction form
571,342.29/788,452.25 = 313,221.07/x - Step 3: Cross multiply
571,342.29x = 788,452.25 × 313,221.07 - Step 4: Simplify right side
571,342.29x = 246,959,857,388.91 - Step 5: Solve for x
x = 246,959,857,388.91/571,342.29 - Step 6: Final answer
x = 432,245.02
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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.