Finding the Fourth Proportional to 883,235.70, 1,324,853.55 and 218,387.70
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Solution
The fourth proportional to 883,235.70, 1,324,853.55 and 218,387.70 is: 327,581.55
Step by Step Solution
- Step 1: Write the proportion equation
883,235.70 : 1,324,853.55 = 218,387.70 : x - Step 2: Convert to fraction form
883,235.70/1,324,853.55 = 218,387.70/x - Step 3: Cross multiply
883,235.70x = 1,324,853.55 × 218,387.70 - Step 4: Simplify right side
883,235.70x = 289,331,719,621.34 - Step 5: Solve for x
x = 289,331,719,621.34/883,235.70 - Step 6: Final answer
x = 327,581.55
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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.