Finding the Fourth Proportional to 497,716.20, 746,574.30 and 489,421.80
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Solution
The fourth proportional to 497,716.20, 746,574.30 and 489,421.80 is: 734,132.70
Step by Step Solution
- Step 1: Write the proportion equation
497,716.20 : 746,574.30 = 489,421.80 : x - Step 2: Convert to fraction form
497,716.20/746,574.30 = 489,421.80/x - Step 3: Cross multiply
497,716.20x = 746,574.30 × 489,421.80 - Step 4: Simplify right side
497,716.20x = 365,389,737,739.74 - Step 5: Solve for x
x = 365,389,737,739.74/497,716.20 - Step 6: Final answer
x = 734,132.70
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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.