Finding the Fourth Proportional to 557,886.60, 769,888.98 and 303,237.63
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Solution
The fourth proportional to 557,886.60, 769,888.98 and 303,237.63 is: 418,470.90
Step by Step Solution
- Step 1: Write the proportion equation
557,886.60 : 769,888.98 = 303,237.63 : x - Step 2: Convert to fraction form
557,886.60/769,888.98 = 303,237.63/x - Step 3: Cross multiply
557,886.60x = 769,888.98 × 303,237.63 - Step 4: Simplify right side
557,886.60x = 233,459,309,658.32 - Step 5: Solve for x
x = 233,459,309,658.32/557,886.60 - Step 6: Final answer
x = 418,470.90
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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.