Finding the Fourth Proportional to 880,329.24, 1,320,581.34 and 319,407.48
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Solution
The fourth proportional to 880,329.24, 1,320,581.34 and 319,407.48 is: 479,142.96
Step by Step Solution
- Step 1: Write the proportion equation
880,329.24 : 1,320,581.34 = 319,407.48 : x - Step 2: Convert to fraction form
880,329.24/1,320,581.34 = 319,407.48/x - Step 3: Cross multiply
880,329.24x = 1,320,581.34 × 319,407.48 - Step 4: Simplify right side
880,329.24x = 421,803,557,944.42 - Step 5: Solve for x
x = 421,803,557,944.42/880,329.24 - Step 6: Final answer
x = 479,142.96
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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.