Finding the Fourth Proportional to 741,776.40, 1,023,651.99 and 402,244.56
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Solution
The fourth proportional to 741,776.40, 1,023,651.99 and 402,244.56 is: 555,097.80
Step by Step Solution
- Step 1: Write the proportion equation
741,776.40 : 1,023,651.99 = 402,244.56 : x - Step 2: Convert to fraction form
741,776.40/1,023,651.99 = 402,244.56/x - Step 3: Cross multiply
741,776.40x = 1,023,651.99 × 402,244.56 - Step 4: Simplify right side
741,776.40x = 411,758,444,310.67 - Step 5: Solve for x
x = 411,758,444,310.67/741,776.40 - Step 6: Final answer
x = 555,097.80
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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.