Finding the Fourth Proportional to 880,840.20, 1,321,260.30 and 249,745.80
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Solution
The fourth proportional to 880,840.20, 1,321,260.30 and 249,745.80 is: 374,618.70
Step by Step Solution
- Step 1: Write the proportion equation
880,840.20 : 1,321,260.30 = 249,745.80 : x - Step 2: Convert to fraction form
880,840.20/1,321,260.30 = 249,745.80/x - Step 3: Cross multiply
880,840.20x = 1,321,260.30 × 249,745.80 - Step 4: Simplify right side
880,840.20x = 329,979,210,631.74 - Step 5: Solve for x
x = 329,979,210,631.74/880,840.20 - Step 6: Final answer
x = 374,618.70
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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.