Finding the Fourth Proportional to 880,470.48, 1,215,053.74 and 498,571.68
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Solution
The fourth proportional to 880,470.48, 1,215,053.74 and 498,571.68 is: 688,031.45
Step by Step Solution
- Step 1: Write the proportion equation
880,470.48 : 1,215,053.74 = 498,571.68 : x - Step 2: Convert to fraction form
880,470.48/1,215,053.74 = 498,571.68/x - Step 3: Cross multiply
880,470.48x = 1,215,053.74 × 498,571.68 - Step 4: Simplify right side
880,470.48x = 605,791,377,120.39 - Step 5: Solve for x
x = 605,791,377,120.39/880,470.48 - Step 6: Final answer
x = 688,031.45
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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.