Finding the Fourth Proportional to 843,412.42, 1,163,937.11 and 461,439.38
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Solution
The fourth proportional to 843,412.42, 1,163,937.11 and 461,439.38 is: 636,801.65
Step by Step Solution
- Step 1: Write the proportion equation
843,412.42 : 1,163,937.11 = 461,439.38 : x - Step 2: Convert to fraction form
843,412.42/1,163,937.11 = 461,439.38/x - Step 3: Cross multiply
843,412.42x = 1,163,937.11 × 461,439.38 - Step 4: Simplify right side
843,412.42x = 537,086,418,397.39 - Step 5: Solve for x
x = 537,086,418,397.39/843,412.42 - Step 6: Final answer
x = 636,801.65
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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.