Finding the Fourth Proportional to 898,343.80, 1,347,515.70 and 425,951.80
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Solution
The fourth proportional to 898,343.80, 1,347,515.70 and 425,951.80 is: 638,927.70
Step by Step Solution
- Step 1: Write the proportion equation
898,343.80 : 1,347,515.70 = 425,951.80 : x - Step 2: Convert to fraction form
898,343.80/1,347,515.70 = 425,951.80/x - Step 3: Cross multiply
898,343.80x = 1,347,515.70 × 425,951.80 - Step 4: Simplify right side
898,343.80x = 573,976,737,943.26 - Step 5: Solve for x
x = 573,976,737,943.26/898,343.80 - Step 6: Final answer
x = 638,927.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.