Finding the Fourth Proportional to 816,381.08, 1,126,619.35 and 448,873.75
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Solution
The fourth proportional to 816,381.08, 1,126,619.35 and 448,873.75 is: 619,453.18
Step by Step Solution
- Step 1: Write the proportion equation
816,381.08 : 1,126,619.35 = 448,873.75 : x - Step 2: Convert to fraction form
816,381.08/1,126,619.35 = 448,873.75/x - Step 3: Cross multiply
816,381.08x = 1,126,619.35 × 448,873.75 - Step 4: Simplify right side
816,381.08x = 505,709,852,743.15 - Step 5: Solve for x
x = 505,709,852,743.15/816,381.08 - Step 6: Final answer
x = 619,453.18
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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.