Finding the Fourth Proportional to 484,564.23, 726,849.08 and 431,502.14
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Solution
The fourth proportional to 484,564.23, 726,849.08 and 431,502.14 is: 647,255.65
Step by Step Solution
- Step 1: Write the proportion equation
484,564.23 : 726,849.08 = 431,502.14 : x - Step 2: Convert to fraction form
484,564.23/726,849.08 = 431,502.14/x - Step 3: Cross multiply
484,564.23x = 726,849.08 × 431,502.14 - Step 4: Simplify right side
484,564.23x = 313,636,933,477.03 - Step 5: Solve for x
x = 313,636,933,477.03/484,564.23 - Step 6: Final answer
x = 647,255.65
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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.