Finding the Fourth Proportional to 591,257.08, 815,934.64 and 319,324.96
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Solution
The fourth proportional to 591,257.08, 815,934.64 and 319,324.96 is: 440,668.37
Step by Step Solution
- Step 1: Write the proportion equation
591,257.08 : 815,934.64 = 319,324.96 : x - Step 2: Convert to fraction form
591,257.08/815,934.64 = 319,324.96/x - Step 3: Cross multiply
591,257.08x = 815,934.64 × 319,324.96 - Step 4: Simplify right side
591,257.08x = 260,548,296,280.61 - Step 5: Solve for x
x = 260,548,296,280.61/591,257.08 - Step 6: Final answer
x = 440,668.37
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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.