Finding the Fourth Proportional to 743,303.62, 1,025,961.62 and 437,478.13
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Solution
The fourth proportional to 743,303.62, 1,025,961.62 and 437,478.13 is: 603,839.08
Step by Step Solution
- Step 1: Write the proportion equation
743,303.62 : 1,025,961.62 = 437,478.13 : x - Step 2: Convert to fraction form
743,303.62/1,025,961.62 = 437,478.13/x - Step 3: Cross multiply
743,303.62x = 1,025,961.62 × 437,478.13 - Step 4: Simplify right side
743,303.62x = 448,835,770,969.37 - Step 5: Solve for x
x = 448,835,770,969.37/743,303.62 - Step 6: Final answer
x = 603,839.08
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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.