Finding the Fourth Proportional to 905,988.12, 1,359,244.62 and 373,234.92
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Solution
The fourth proportional to 905,988.12, 1,359,244.62 and 373,234.92 is: 559,960.50
Step by Step Solution
- Step 1: Write the proportion equation
905,988.12 : 1,359,244.62 = 373,234.92 : x - Step 2: Convert to fraction form
905,988.12/1,359,244.62 = 373,234.92/x - Step 3: Cross multiply
905,988.12x = 1,359,244.62 × 373,234.92 - Step 4: Simplify right side
905,988.12x = 507,317,557,006.13 - Step 5: Solve for x
x = 507,317,557,006.13/905,988.12 - Step 6: Final answer
x = 559,960.50
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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.