Finding the Fourth Proportional to 417,132.13, 620,332.18 and 403,845.97
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Solution
The fourth proportional to 417,132.13, 620,332.18 and 403,845.97 is: 600,573.85
Step by Step Solution
- Step 1: Write the proportion equation
417,132.13 : 620,332.18 = 403,845.97 : x - Step 2: Convert to fraction form
417,132.13/620,332.18 = 403,845.97/x - Step 3: Cross multiply
417,132.13x = 620,332.18 × 403,845.97 - Step 4: Simplify right side
417,132.13x = 250,518,647,852.65 - Step 5: Solve for x
x = 250,518,647,852.65/417,132.13 - Step 6: Final answer
x = 600,573.85
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.