Finding the Fourth Proportional to 880,339.24, 1,320,596.34 and 319,417.48
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Solution
The fourth proportional to 880,339.24, 1,320,596.34 and 319,417.48 is: 479,157.96
Step by Step Solution
- Step 1: Write the proportion equation
880,339.24 : 1,320,596.34 = 319,417.48 : x - Step 2: Convert to fraction form
880,339.24/1,320,596.34 = 319,417.48/x - Step 3: Cross multiply
880,339.24x = 1,320,596.34 × 319,417.48 - Step 4: Simplify right side
880,339.24x = 421,821,555,020.02 - Step 5: Solve for x
x = 421,821,555,020.02/880,339.24 - Step 6: Final answer
x = 479,157.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.