Finding the Fourth Proportional to 814,445.99, 1,220,914.86 and 301,825.74
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Solution
The fourth proportional to 814,445.99, 1,220,914.86 and 301,825.74 is: 452,459.14
Step by Step Solution
- Step 1: Write the proportion equation
814,445.99 : 1,220,914.86 = 301,825.74 : x - Step 2: Convert to fraction form
814,445.99/1,220,914.86 = 301,825.74/x - Step 3: Cross multiply
814,445.99x = 1,220,914.86 × 301,825.74 - Step 4: Simplify right side
814,445.99x = 368,503,534,543.08 - Step 5: Solve for x
x = 368,503,534,543.08/814,445.99 - Step 6: Final answer
x = 452,459.14
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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.