Finding the Fourth Proportional to 930,723.08, 1,395,918.30 and 247,613.62
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Solution
The fourth proportional to 930,723.08, 1,395,918.30 and 247,613.62 is: 371,376.18
Step by Step Solution
- Step 1: Write the proportion equation
930,723.08 : 1,395,918.30 = 247,613.62 : x - Step 2: Convert to fraction form
930,723.08/1,395,918.30 = 247,613.62/x - Step 3: Cross multiply
930,723.08x = 1,395,918.30 × 247,613.62 - Step 4: Simplify right side
930,723.08x = 345,648,383,487.25 - Step 5: Solve for x
x = 345,648,383,487.25/930,723.08 - Step 6: Final answer
x = 371,376.18
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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.