Finding the Fourth Proportional to 890,297.93, 1,336,780.96 and 770,723.70
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Solution
The fourth proportional to 890,297.93, 1,336,780.96 and 770,723.70 is: 1,157,240.44
Step by Step Solution
- Step 1: Write the proportion equation
890,297.93 : 1,336,780.96 = 770,723.70 : x - Step 2: Convert to fraction form
890,297.93/1,336,780.96 = 770,723.70/x - Step 3: Cross multiply
890,297.93x = 1,336,780.96 × 770,723.70 - Step 4: Simplify right side
890,297.93x = 1,030,288,763,727.13 - Step 5: Solve for x
x = 1,030,288,763,727.13/890,297.93 - Step 6: Final answer
x = 1,157,240.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.