Finding the Fourth Proportional to 884,154.92, 1,326,491.18 and 285,104.03
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Solution
The fourth proportional to 884,154.92, 1,326,491.18 and 285,104.03 is: 427,739.50
Step by Step Solution
- Step 1: Write the proportion equation
884,154.92 : 1,326,491.18 = 285,104.03 : x - Step 2: Convert to fraction form
884,154.92/1,326,491.18 = 285,104.03/x - Step 3: Cross multiply
884,154.92x = 1,326,491.18 × 285,104.03 - Step 4: Simplify right side
884,154.92x = 378,187,985,206.44 - Step 5: Solve for x
x = 378,187,985,206.44/884,154.92 - Step 6: Final answer
x = 427,739.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.