Finding the Fourth Proportional to 768,634.34, 1,153,651.16 and 409,107.02
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Solution
The fourth proportional to 768,634.34, 1,153,651.16 and 409,107.02 is: 614,032.92
Step by Step Solution
- Step 1: Write the proportion equation
768,634.34 : 1,153,651.16 = 409,107.02 : x - Step 2: Convert to fraction form
768,634.34/1,153,651.16 = 409,107.02/x - Step 3: Cross multiply
768,634.34x = 1,153,651.16 × 409,107.02 - Step 4: Simplify right side
768,634.34x = 471,966,788,187.14 - Step 5: Solve for x
x = 471,966,788,187.14/768,634.34 - Step 6: Final answer
x = 614,032.92
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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.