Finding the Fourth Proportional to 543,900.26, 750,372.99 and 401,000.06
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Solution
The fourth proportional to 543,900.26, 750,372.99 and 401,000.06 is: 553,225.72
Step by Step Solution
- Step 1: Write the proportion equation
543,900.26 : 750,372.99 = 401,000.06 : x - Step 2: Convert to fraction form
543,900.26/750,372.99 = 401,000.06/x - Step 3: Cross multiply
543,900.26x = 750,372.99 × 401,000.06 - Step 4: Simplify right side
543,900.26x = 300,899,614,012.38 - Step 5: Solve for x
x = 300,899,614,012.38/543,900.26 - Step 6: Final answer
x = 553,225.72
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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.