Finding the Fourth Proportional to 843,368.68, 1,163,828.82 and 461,398.60
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Solution
The fourth proportional to 843,368.68, 1,163,828.82 and 461,398.60 is: 636,719.15
Step by Step Solution
- Step 1: Write the proportion equation
843,368.68 : 1,163,828.82 = 461,398.60 : x - Step 2: Convert to fraction form
843,368.68/1,163,828.82 = 461,398.60/x - Step 3: Cross multiply
843,368.68x = 1,163,828.82 × 461,398.60 - Step 4: Simplify right side
843,368.68x = 536,988,988,187.65 - Step 5: Solve for x
x = 536,988,988,187.65/843,368.68 - Step 6: Final answer
x = 636,719.15
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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.