Finding the Fourth Proportional to 992,858.58, 1,370,101.62 and 551,305.65
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Solution
The fourth proportional to 992,858.58, 1,370,101.62 and 551,305.65 is: 760,777.80
Step by Step Solution
- Step 1: Write the proportion equation
992,858.58 : 1,370,101.62 = 551,305.65 : x - Step 2: Convert to fraction form
992,858.58/1,370,101.62 = 551,305.65/x - Step 3: Cross multiply
992,858.58x = 1,370,101.62 × 551,305.65 - Step 4: Simplify right side
992,858.58x = 755,344,764,180.15 - Step 5: Solve for x
x = 755,344,764,180.15/992,858.58 - Step 6: Final answer
x = 760,777.80
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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.