Finding the Fourth Proportional to 880,212.08, 1,214,721.60 and 498,230.66
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Solution
The fourth proportional to 880,212.08, 1,214,721.60 and 498,230.66 is: 687,574.69
Step by Step Solution
- Step 1: Write the proportion equation
880,212.08 : 1,214,721.60 = 498,230.66 : x - Step 2: Convert to fraction form
880,212.08/1,214,721.60 = 498,230.66/x - Step 3: Cross multiply
880,212.08x = 1,214,721.60 × 498,230.66 - Step 4: Simplify right side
880,212.08x = 605,211,544,484.26 - Step 5: Solve for x
x = 605,211,544,484.26/880,212.08 - Step 6: Final answer
x = 687,574.69
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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.