Finding the Fourth Proportional to 767,306.70, 1,058,869.26 and 423,174.42
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Solution
The fourth proportional to 767,306.70, 1,058,869.26 and 423,174.42 is: 583,972.99
Step by Step Solution
- Step 1: Write the proportion equation
767,306.70 : 1,058,869.26 = 423,174.42 : x - Step 2: Convert to fraction form
767,306.70/1,058,869.26 = 423,174.42/x - Step 3: Cross multiply
767,306.70x = 1,058,869.26 × 423,174.42 - Step 4: Simplify right side
767,306.70x = 448,086,384,956.33 - Step 5: Solve for x
x = 448,086,384,956.33/767,306.70 - Step 6: Final answer
x = 583,972.99
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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.