Finding the Fourth Proportional to 769,497.58, 1,154,188.05 and 270,511.66
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Solution
The fourth proportional to 769,497.58, 1,154,188.05 and 270,511.66 is: 405,746.99
Step by Step Solution
- Step 1: Write the proportion equation
769,497.58 : 1,154,188.05 = 270,511.66 : x - Step 2: Convert to fraction form
769,497.58/1,154,188.05 = 270,511.66/x - Step 3: Cross multiply
769,497.58x = 1,154,188.05 × 270,511.66 - Step 4: Simplify right side
769,497.58x = 312,221,325,357.66 - Step 5: Solve for x
x = 312,221,325,357.66/769,497.58 - Step 6: Final answer
x = 405,746.99
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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.