Finding the Fourth Proportional to 925,684.99, 1,388,660.28 and 286,044.55
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Solution
The fourth proportional to 925,684.99, 1,388,660.28 and 286,044.55 is: 429,107.86
Step by Step Solution
- Step 1: Write the proportion equation
925,684.99 : 1,388,660.28 = 286,044.55 : x - Step 2: Convert to fraction form
925,684.99/1,388,660.28 = 286,044.55/x - Step 3: Cross multiply
925,684.99x = 1,388,660.28 × 286,044.55 - Step 4: Simplify right side
925,684.99x = 397,218,704,895.47 - Step 5: Solve for x
x = 397,218,704,895.47/925,684.99 - Step 6: Final answer
x = 429,107.86
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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.