Finding the Fourth Proportional to 880,066.31, 1,214,283.38 and 498,093.08
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Solution
The fourth proportional to 880,066.31, 1,214,283.38 and 498,093.08 is: 687,250.65
Step by Step Solution
- Step 1: Write the proportion equation
880,066.31 : 1,214,283.38 = 498,093.08 : x - Step 2: Convert to fraction form
880,066.31/1,214,283.38 = 498,093.08/x - Step 3: Cross multiply
880,066.31x = 1,214,283.38 × 498,093.08 - Step 4: Simplify right side
880,066.31x = 604,826,140,175.13 - Step 5: Solve for x
x = 604,826,140,175.13/880,066.31 - Step 6: Final answer
x = 687,250.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.