Finding the Fourth Proportional to 743,333.90, 1,025,713.76 and 437,342.99
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Solution
The fourth proportional to 743,333.90, 1,025,713.76 and 437,342.99 is: 603,482.12
Step by Step Solution
- Step 1: Write the proportion equation
743,333.90 : 1,025,713.76 = 437,342.99 : x - Step 2: Convert to fraction form
743,333.90/1,025,713.76 = 437,342.99/x - Step 3: Cross multiply
743,333.90x = 1,025,713.76 × 437,342.99 - Step 4: Simplify right side
743,333.90x = 448,588,715,367.26 - Step 5: Solve for x
x = 448,588,715,367.26/743,333.90 - Step 6: Final answer
x = 603,482.12
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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.