Finding the Fourth Proportional to 705,863.24, 1,058,707.30 and 417,846.26
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Solution
The fourth proportional to 705,863.24, 1,058,707.30 and 417,846.26 is: 626,717.56
Step by Step Solution
- Step 1: Write the proportion equation
705,863.24 : 1,058,707.30 = 417,846.26 : x - Step 2: Convert to fraction form
705,863.24/1,058,707.30 = 417,846.26/x - Step 3: Cross multiply
705,863.24x = 1,058,707.30 × 417,846.26 - Step 4: Simplify right side
705,863.24x = 442,376,885,739.70 - Step 5: Solve for x
x = 442,376,885,739.70/705,863.24 - Step 6: Final answer
x = 626,717.56
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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.