Finding the Fourth Proportional to 816,390.04, 1,126,642.62 and 494,159.08
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Solution
The fourth proportional to 816,390.04, 1,126,642.62 and 494,159.08 is: 681,954.28
Step by Step Solution
- Step 1: Write the proportion equation
816,390.04 : 1,126,642.62 = 494,159.08 : x - Step 2: Convert to fraction form
816,390.04/1,126,642.62 = 494,159.08/x - Step 3: Cross multiply
816,390.04x = 1,126,642.62 × 494,159.08 - Step 4: Simplify right side
816,390.04x = 556,740,680,587.99 - Step 5: Solve for x
x = 556,740,680,587.99/816,390.04 - Step 6: Final answer
x = 681,954.28
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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.