Finding the Fourth Proportional to 853,587.91, 1,177,998.56 and 471,606.49
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Solution
The fourth proportional to 853,587.91, 1,177,998.56 and 471,606.49 is: 650,843.06
Step by Step Solution
- Step 1: Write the proportion equation
853,587.91 : 1,177,998.56 = 471,606.49 : x - Step 2: Convert to fraction form
853,587.91/1,177,998.56 = 471,606.49/x - Step 3: Cross multiply
853,587.91x = 1,177,998.56 × 471,606.49 - Step 4: Simplify right side
853,587.91x = 555,551,766,106.65 - Step 5: Solve for x
x = 555,551,766,106.65/853,587.91 - Step 6: Final answer
x = 650,843.06
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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.