Finding the Fourth Proportional to 853,556.23, 1,176,539.55 and 577,827.13
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Solution
The fourth proportional to 853,556.23, 1,176,539.55 and 577,827.13 is: 796,475.32
Step by Step Solution
- Step 1: Write the proportion equation
853,556.23 : 1,176,539.55 = 577,827.13 : x - Step 2: Convert to fraction form
853,556.23/1,176,539.55 = 577,827.13/x - Step 3: Cross multiply
853,556.23x = 1,176,539.55 × 577,827.13 - Step 4: Simplify right side
853,556.23x = 679,836,475,135.73 - Step 5: Solve for x
x = 679,836,475,135.73/853,556.23 - Step 6: Final answer
x = 796,475.32
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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.