Finding the Fourth Proportional to 808,823.88, 1,213,378.44 and 276,220.08
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Solution
The fourth proportional to 808,823.88, 1,213,378.44 and 276,220.08 is: 414,378.83
Step by Step Solution
- Step 1: Write the proportion equation
808,823.88 : 1,213,378.44 = 276,220.08 : x - Step 2: Convert to fraction form
808,823.88/1,213,378.44 = 276,220.08/x - Step 3: Cross multiply
808,823.88x = 1,213,378.44 × 276,220.08 - Step 4: Simplify right side
808,823.88x = 335,159,489,767.08 - Step 5: Solve for x
x = 335,159,489,767.08/808,823.88 - Step 6: Final answer
x = 414,378.83
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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.