Finding the Fourth Proportional to 963,609.35, 1,444,965.28 and 431,134.79
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Solution
The fourth proportional to 963,609.35, 1,444,965.28 and 431,134.79 is: 646,501.40
Step by Step Solution
- Step 1: Write the proportion equation
963,609.35 : 1,444,965.28 = 431,134.79 : x - Step 2: Convert to fraction form
963,609.35/1,444,965.28 = 431,134.79/x - Step 3: Cross multiply
963,609.35x = 1,444,965.28 × 431,134.79 - Step 4: Simplify right side
963,609.35x = 622,974,794,247.43 - Step 5: Solve for x
x = 622,974,794,247.43/963,609.35 - Step 6: Final answer
x = 646,501.40
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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.