Finding the Fourth Proportional to 755,215.24, 1,042,226.58 and 415,715.08
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Solution
The fourth proportional to 755,215.24, 1,042,226.58 and 415,715.08 is: 573,703.08
Step by Step Solution
- Step 1: Write the proportion equation
755,215.24 : 1,042,226.58 = 415,715.08 : x - Step 2: Convert to fraction form
755,215.24/1,042,226.58 = 415,715.08/x - Step 3: Cross multiply
755,215.24x = 1,042,226.58 × 415,715.08 - Step 4: Simplify right side
755,215.24x = 433,269,306,082.83 - Step 5: Solve for x
x = 433,269,306,082.83/755,215.24 - Step 6: Final answer
x = 573,703.08
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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.