Finding the Fourth Proportional to 816,106.74, 1,126,204.88 and 453,521.31
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Solution
The fourth proportional to 816,106.74, 1,126,204.88 and 453,521.31 is: 625,846.95
Step by Step Solution
- Step 1: Write the proportion equation
816,106.74 : 1,126,204.88 = 453,521.31 : x - Step 2: Convert to fraction form
816,106.74/1,126,204.88 = 453,521.31/x - Step 3: Cross multiply
816,106.74x = 1,126,204.88 × 453,521.31 - Step 4: Simplify right side
816,106.74x = 510,757,910,238.39 - Step 5: Solve for x
x = 510,757,910,238.39/816,106.74 - Step 6: Final answer
x = 625,846.95
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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.