Finding the Fourth Proportional to 772,546.21, 1,158,794.70 and 203,909.80
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Solution
The fourth proportional to 772,546.21, 1,158,794.70 and 203,909.80 is: 305,858.20
Step by Step Solution
- Step 1: Write the proportion equation
772,546.21 : 1,158,794.70 = 203,909.80 : x - Step 2: Convert to fraction form
772,546.21/1,158,794.70 = 203,909.80/x - Step 3: Cross multiply
772,546.21x = 1,158,794.70 × 203,909.80 - Step 4: Simplify right side
772,546.21x = 236,289,595,518.06 - Step 5: Solve for x
x = 236,289,595,518.06/772,546.21 - Step 6: Final answer
x = 305,858.20
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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.