Finding the Fourth Proportional to 712,960.08, 1,069,440.84 and 180,481.08
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Solution
The fourth proportional to 712,960.08, 1,069,440.84 and 180,481.08 is: 270,721.80
Step by Step Solution
- Step 1: Write the proportion equation
712,960.08 : 1,069,440.84 = 180,481.08 : x - Step 2: Convert to fraction form
712,960.08/1,069,440.84 = 180,481.08/x - Step 3: Cross multiply
712,960.08x = 1,069,440.84 × 180,481.08 - Step 4: Simplify right side
712,960.08x = 193,013,837,799.31 - Step 5: Solve for x
x = 193,013,837,799.31/712,960.08 - Step 6: Final answer
x = 270,721.80
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1.5x scale
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.