Finding the Fourth Proportional to 853,487.64, 1,177,727.58 and 471,489.84
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Solution
The fourth proportional to 853,487.64, 1,177,727.58 and 471,489.84 is: 650,608.82
Step by Step Solution
- Step 1: Write the proportion equation
853,487.64 : 1,177,727.58 = 471,489.84 : x - Step 2: Convert to fraction form
853,487.64/1,177,727.58 = 471,489.84/x - Step 3: Cross multiply
853,487.64x = 1,177,727.58 × 471,489.84 - Step 4: Simplify right side
853,487.64x = 555,286,588,257.79 - Step 5: Solve for x
x = 555,286,588,257.79/853,487.64 - Step 6: Final answer
x = 650,608.82
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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.