Finding the Fourth Proportional to 880,509.29, 1,215,122.41 and 493,353.48
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Solution
The fourth proportional to 880,509.29, 1,215,122.41 and 493,353.48 is: 680,838.79
Step by Step Solution
- Step 1: Write the proportion equation
880,509.29 : 1,215,122.41 = 493,353.48 : x - Step 2: Convert to fraction form
880,509.29/1,215,122.41 = 493,353.48/x - Step 3: Cross multiply
880,509.29x = 1,215,122.41 × 493,353.48 - Step 4: Simplify right side
880,509.29x = 599,484,874,772.89 - Step 5: Solve for x
x = 599,484,874,772.89/880,509.29 - Step 6: Final answer
x = 680,838.79
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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.