Finding the Fourth Proportional to 880,497.80, 1,320,746.70 and 828,009.80
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Solution
The fourth proportional to 880,497.80, 1,320,746.70 and 828,009.80 is: 1,242,014.70
Step by Step Solution
- Step 1: Write the proportion equation
880,497.80 : 1,320,746.70 = 828,009.80 : x - Step 2: Convert to fraction form
880,497.80/1,320,746.70 = 828,009.80/x - Step 3: Cross multiply
880,497.80x = 1,320,746.70 × 828,009.80 - Step 4: Simplify right side
880,497.80x = 1,093,591,210,917.66 - Step 5: Solve for x
x = 1,093,591,210,917.66/880,497.80 - Step 6: Final answer
x = 1,242,014.70
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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.