Finding the Fourth Proportional to 816,104.38, 1,126,134.61 and 471,888.21
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Solution
The fourth proportional to 816,104.38, 1,126,134.61 and 471,888.21 is: 651,154.02
Step by Step Solution
- Step 1: Write the proportion equation
816,104.38 : 1,126,134.61 = 471,888.21 : x - Step 2: Convert to fraction form
816,104.38/1,126,134.61 = 471,888.21/x - Step 3: Cross multiply
816,104.38x = 1,126,134.61 × 471,888.21 - Step 4: Simplify right side
816,104.38x = 531,409,646,967.56 - Step 5: Solve for x
x = 531,409,646,967.56/816,104.38 - Step 6: Final answer
x = 651,154.02
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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.