Finding the Fourth Proportional to 784,464.13, 1,177,326.68 and 405,495.85
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Solution
The fourth proportional to 784,464.13, 1,177,326.68 and 405,495.85 is: 608,569.68
Step by Step Solution
- Step 1: Write the proportion equation
784,464.13 : 1,177,326.68 = 405,495.85 : x - Step 2: Convert to fraction form
784,464.13/1,177,326.68 = 405,495.85/x - Step 3: Cross multiply
784,464.13x = 1,177,326.68 × 405,495.85 - Step 4: Simplify right side
784,464.13x = 477,401,080,806.80 - Step 5: Solve for x
x = 477,401,080,806.80/784,464.13 - Step 6: Final answer
x = 608,569.68
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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.