Finding the Fourth Proportional to 497,923.20, 687,107.04 and 283,033.44
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Solution
The fourth proportional to 497,923.20, 687,107.04 and 283,033.44 is: 390,570.81
Step by Step Solution
- Step 1: Write the proportion equation
497,923.20 : 687,107.04 = 283,033.44 : x - Step 2: Convert to fraction form
497,923.20/687,107.04 = 283,033.44/x - Step 3: Cross multiply
497,923.20x = 687,107.04 × 283,033.44 - Step 4: Simplify right side
497,923.20x = 194,474,269,179.42 - Step 5: Solve for x
x = 194,474,269,179.42/497,923.20 - Step 6: Final answer
x = 390,570.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.