Finding the Fourth Proportional to 883,489.68, 1,325,234.52 and 218,641.68
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Solution
The fourth proportional to 883,489.68, 1,325,234.52 and 218,641.68 is: 327,962.52
Step by Step Solution
- Step 1: Write the proportion equation
883,489.68 : 1,325,234.52 = 218,641.68 : x - Step 2: Convert to fraction form
883,489.68/1,325,234.52 = 218,641.68/x - Step 3: Cross multiply
883,489.68x = 1,325,234.52 × 218,641.68 - Step 4: Simplify right side
883,489.68x = 289,751,501,846.79 - Step 5: Solve for x
x = 289,751,501,846.79/883,489.68 - Step 6: Final answer
x = 327,962.52
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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.