Finding the Fourth Proportional to 814,257.95, 1,220,141.40 and 435,232.62
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Solution
The fourth proportional to 814,257.95, 1,220,141.40 and 435,232.62 is: 652,183.18
Step by Step Solution
- Step 1: Write the proportion equation
814,257.95 : 1,220,141.40 = 435,232.62 : x - Step 2: Convert to fraction form
814,257.95/1,220,141.40 = 435,232.62/x - Step 3: Cross multiply
814,257.95x = 1,220,141.40 × 435,232.62 - Step 4: Simplify right side
814,257.95x = 531,045,336,116.31 - Step 5: Solve for x
x = 531,045,336,116.31/814,257.95 - Step 6: Final answer
x = 652,183.18
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1.5x scale
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.