Finding the Fourth Proportional to 784,832.58, 1,083,089.68 and 440,695.98
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Solution
The fourth proportional to 784,832.58, 1,083,089.68 and 440,695.98 is: 608,172.09
Step by Step Solution
- Step 1: Write the proportion equation
784,832.58 : 1,083,089.68 = 440,695.98 : x - Step 2: Convert to fraction form
784,832.58/1,083,089.68 = 440,695.98/x - Step 3: Cross multiply
784,832.58x = 1,083,089.68 × 440,695.98 - Step 4: Simplify right side
784,832.58x = 477,313,267,955.49 - Step 5: Solve for x
x = 477,313,267,955.49/784,832.58 - Step 6: Final answer
x = 608,172.09
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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.