Finding the Fourth Proportional to 998,430.24, 1,497,349.52 and 288,464.64
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Solution
The fourth proportional to 998,430.24, 1,497,349.52 and 288,464.64 is: 432,611.49
Step by Step Solution
- Step 1: Write the proportion equation
998,430.24 : 1,497,349.52 = 288,464.64 : x - Step 2: Convert to fraction form
998,430.24/1,497,349.52 = 288,464.64/x - Step 3: Cross multiply
998,430.24x = 1,497,349.52 × 288,464.64 - Step 4: Simplify right side
998,430.24x = 431,932,390,240.97 - Step 5: Solve for x
x = 431,932,390,240.97/998,430.24 - Step 6: Final answer
x = 432,611.49
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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.