Finding the Fourth Proportional to 894,456.44, 1,234,313.69 and 486,558.75
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Solution
The fourth proportional to 894,456.44, 1,234,313.69 and 486,558.75 is: 671,431.38
Step by Step Solution
- Step 1: Write the proportion equation
894,456.44 : 1,234,313.69 = 486,558.75 : x - Step 2: Convert to fraction form
894,456.44/1,234,313.69 = 486,558.75/x - Step 3: Cross multiply
894,456.44x = 1,234,313.69 × 486,558.75 - Step 4: Simplify right side
894,456.44x = 600,566,126,114.29 - Step 5: Solve for x
x = 600,566,126,114.29/894,456.44 - Step 6: Final answer
x = 671,431.38
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1.5x scale
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.