Finding the Fourth Proportional to 534,571.80, 737,708.98 and 319,711.87
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Solution
The fourth proportional to 534,571.80, 737,708.98 and 319,711.87 is: 441,202.32
Step by Step Solution
- Step 1: Write the proportion equation
534,571.80 : 737,708.98 = 319,711.87 : x - Step 2: Convert to fraction form
534,571.80/737,708.98 = 319,711.87/x - Step 3: Cross multiply
534,571.80x = 737,708.98 × 319,711.87 - Step 4: Simplify right side
534,571.80x = 235,854,317,511.59 - Step 5: Solve for x
x = 235,854,317,511.59/534,571.80 - Step 6: Final answer
x = 441,202.32
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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.