Finding the Fourth Proportional to 948,171.67, 1,422,258.88 and 387,206.17
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Solution
The fourth proportional to 948,171.67, 1,422,258.88 and 387,206.17 is: 580,809.82
Step by Step Solution
- Step 1: Write the proportion equation
948,171.67 : 1,422,258.88 = 387,206.17 : x - Step 2: Convert to fraction form
948,171.67/1,422,258.88 = 387,206.17/x - Step 3: Cross multiply
948,171.67x = 1,422,258.88 × 387,206.17 - Step 4: Simplify right side
948,171.67x = 550,707,416,260.92 - Step 5: Solve for x
x = 550,707,416,260.92/948,171.67 - Step 6: Final answer
x = 580,809.82
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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.