Finding the Fourth Proportional to 914,856.48, 1,263,132.09 and 699,621.66
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Solution
The fourth proportional to 914,856.48, 1,263,132.09 and 699,621.66 is: 965,959.79
Step by Step Solution
- Step 1: Write the proportion equation
914,856.48 : 1,263,132.09 = 699,621.66 : x - Step 2: Convert to fraction form
914,856.48/1,263,132.09 = 699,621.66/x - Step 3: Cross multiply
914,856.48x = 1,263,132.09 × 699,621.66 - Step 4: Simplify right side
914,856.48x = 883,714,569,605.07 - Step 5: Solve for x
x = 883,714,569,605.07/914,856.48 - Step 6: Final answer
x = 965,959.79
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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.