Finding the Fourth Proportional to 543,556.56, 749,987.28 and 328,692.12
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Solution
The fourth proportional to 543,556.56, 749,987.28 and 328,692.12 is: 453,522.09
Step by Step Solution
- Step 1: Write the proportion equation
543,556.56 : 749,987.28 = 328,692.12 : x - Step 2: Convert to fraction form
543,556.56/749,987.28 = 328,692.12/x - Step 3: Cross multiply
543,556.56x = 749,987.28 × 328,692.12 - Step 4: Simplify right side
543,556.56x = 246,514,909,036.23 - Step 5: Solve for x
x = 246,514,909,036.23/543,556.56 - Step 6: Final answer
x = 453,522.09
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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.