Finding the Fourth Proportional to 743,137.37, 1,025,534.88 and 403,605.62
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Solution
The fourth proportional to 743,137.37, 1,025,534.88 and 403,605.62 is: 556,978.64
Step by Step Solution
- Step 1: Write the proportion equation
743,137.37 : 1,025,534.88 = 403,605.62 : x - Step 2: Convert to fraction form
743,137.37/1,025,534.88 = 403,605.62/x - Step 3: Cross multiply
743,137.37x = 1,025,534.88 × 403,605.62 - Step 4: Simplify right side
743,137.37x = 413,911,635,946.35 - Step 5: Solve for x
x = 413,911,635,946.35/743,137.37 - Step 6: Final answer
x = 556,978.64
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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.