Finding the Fourth Proportional to 720,501.60, 1,080,774.36 and 247,180.26
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Solution
The fourth proportional to 720,501.60, 1,080,774.36 and 247,180.26 is: 370,777.92
Step by Step Solution
- Step 1: Write the proportion equation
720,501.60 : 1,080,774.36 = 247,180.26 : x - Step 2: Convert to fraction form
720,501.60/1,080,774.36 = 247,180.26/x - Step 3: Cross multiply
720,501.60x = 1,080,774.36 × 247,180.26 - Step 4: Simplify right side
720,501.60x = 267,146,087,306.13 - Step 5: Solve for x
x = 267,146,087,306.13/720,501.60 - Step 6: Final answer
x = 370,777.92
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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.