Finding the Fourth Proportional to 896,394.58, 1,236,988.53 and 488,487.73
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Solution
The fourth proportional to 896,394.58, 1,236,988.53 and 488,487.73 is: 674,093.45
Step by Step Solution
- Step 1: Write the proportion equation
896,394.58 : 1,236,988.53 = 488,487.73 : x - Step 2: Convert to fraction form
896,394.58/1,236,988.53 = 488,487.73/x - Step 3: Cross multiply
896,394.58x = 1,236,988.53 × 488,487.73 - Step 4: Simplify right side
896,394.58x = 604,253,718,282.62 - Step 5: Solve for x
x = 604,253,718,282.62/896,394.58 - Step 6: Final answer
x = 674,093.45
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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.