Finding the Fourth Proportional to 888,772.08, 1,225,229.64 and 633,680.40
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Solution
The fourth proportional to 888,772.08, 1,225,229.64 and 633,680.40 is: 873,569.31
Step by Step Solution
- Step 1: Write the proportion equation
888,772.08 : 1,225,229.64 = 633,680.40 : x - Step 2: Convert to fraction form
888,772.08/1,225,229.64 = 633,680.40/x - Step 3: Cross multiply
888,772.08x = 1,225,229.64 × 633,680.40 - Step 4: Simplify right side
888,772.08x = 776,404,008,367.06 - Step 5: Solve for x
x = 776,404,008,367.06/888,772.08 - Step 6: Final answer
x = 873,569.31
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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.