Finding the Fourth Proportional to 514,556.76, 710,090.37 and 288,202.26
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Solution
The fourth proportional to 514,556.76, 710,090.37 and 288,202.26 is: 397,720.26
Step by Step Solution
- Step 1: Write the proportion equation
514,556.76 : 710,090.37 = 288,202.26 : x - Step 2: Convert to fraction form
514,556.76/710,090.37 = 288,202.26/x - Step 3: Cross multiply
514,556.76x = 710,090.37 × 288,202.26 - Step 4: Simplify right side
514,556.76x = 204,649,649,438.24 - Step 5: Solve for x
x = 204,649,649,438.24/514,556.76 - Step 6: Final answer
x = 397,720.26
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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.