Finding the Fourth Proportional to 673,430.08, 1,007,650.14 and 539,906.44
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Solution
The fourth proportional to 673,430.08, 1,007,650.14 and 539,906.44 is: 807,859.37
Step by Step Solution
- Step 1: Write the proportion equation
673,430.08 : 1,007,650.14 = 539,906.44 : x - Step 2: Convert to fraction form
673,430.08/1,007,650.14 = 539,906.44/x - Step 3: Cross multiply
673,430.08x = 1,007,650.14 × 539,906.44 - Step 4: Simplify right side
673,430.08x = 544,036,799,852.90 - Step 5: Solve for x
x = 544,036,799,852.90/673,430.08 - Step 6: Final answer
x = 807,859.37
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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.