Finding the Fourth Proportional to 545,694.12, 818,266.68 and 318,062.88
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Solution
The fourth proportional to 545,694.12, 818,266.68 and 318,062.88 is: 476,934.33
Step by Step Solution
- Step 1: Write the proportion equation
545,694.12 : 818,266.68 = 318,062.88 : x - Step 2: Convert to fraction form
545,694.12/818,266.68 = 318,062.88/x - Step 3: Cross multiply
545,694.12x = 818,266.68 × 318,062.88 - Step 4: Simplify right side
545,694.12x = 260,260,256,848.84 - Step 5: Solve for x
x = 260,260,256,848.84/545,694.12 - Step 6: Final answer
x = 476,934.33
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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.