Finding the Fourth Proportional to 790,234.21, 1,090,526.69 and 427,658.12
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Solution
The fourth proportional to 790,234.21, 1,090,526.69 and 427,658.12 is: 590,170.09
Step by Step Solution
- Step 1: Write the proportion equation
790,234.21 : 1,090,526.69 = 427,658.12 : x - Step 2: Convert to fraction form
790,234.21/1,090,526.69 = 427,658.12/x - Step 3: Cross multiply
790,234.21x = 1,090,526.69 × 427,658.12 - Step 4: Simplify right side
790,234.21x = 466,372,596,246.97 - Step 5: Solve for x
x = 466,372,596,246.97/790,234.21 - Step 6: Final answer
x = 590,170.09
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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.