Finding the Fourth Proportional to 652,782.62, 979,475.26 and 297,905.42
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Solution
The fourth proportional to 652,782.62, 979,475.26 and 297,905.42 is: 446,995.65
Step by Step Solution
- Step 1: Write the proportion equation
652,782.62 : 979,475.26 = 297,905.42 : x - Step 2: Convert to fraction form
652,782.62/979,475.26 = 297,905.42/x - Step 3: Cross multiply
652,782.62x = 979,475.26 × 297,905.42 - Step 4: Simplify right side
652,782.62x = 291,790,988,709.91 - Step 5: Solve for x
x = 291,790,988,709.91/652,782.62 - Step 6: Final answer
x = 446,995.65
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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.