Finding the Fourth Proportional to 768,381.99, 1,149,718.47 and 482,735.17
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Solution
The fourth proportional to 768,381.99, 1,149,718.47 and 482,735.17 is: 722,309.41
Step by Step Solution
- Step 1: Write the proportion equation
768,381.99 : 1,149,718.47 = 482,735.17 : x - Step 2: Convert to fraction form
768,381.99/1,149,718.47 = 482,735.17/x - Step 3: Cross multiply
768,381.99x = 1,149,718.47 × 482,735.17 - Step 4: Simplify right side
768,381.99x = 555,009,541,067.59 - Step 5: Solve for x
x = 555,009,541,067.59/768,381.99 - Step 6: Final answer
x = 722,309.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.