Finding the Fourth Proportional to 705,459.68, 1,058,310.48 and 232,279.28
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Solution
The fourth proportional to 705,459.68, 1,058,310.48 and 232,279.28 is: 348,458.75
Step by Step Solution
- Step 1: Write the proportion equation
705,459.68 : 1,058,310.48 = 232,279.28 : x - Step 2: Convert to fraction form
705,459.68/1,058,310.48 = 232,279.28/x - Step 3: Cross multiply
705,459.68x = 1,058,310.48 × 232,279.28 - Step 4: Simplify right side
705,459.68x = 245,823,596,310.85 - Step 5: Solve for x
x = 245,823,596,310.85/705,459.68 - Step 6: Final answer
x = 348,458.75
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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.