Finding the Fourth Proportional to 906,049.62, 1,360,124.33 and 486,145.62
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Solution
The fourth proportional to 906,049.62, 1,360,124.33 and 486,145.62 is: 729,781.76
Step by Step Solution
- Step 1: Write the proportion equation
906,049.62 : 1,360,124.33 = 486,145.62 : x - Step 2: Convert to fraction form
906,049.62/1,360,124.33 = 486,145.62/x - Step 3: Cross multiply
906,049.62x = 1,360,124.33 × 486,145.62 - Step 4: Simplify right side
906,049.62x = 661,218,483,254.21 - Step 5: Solve for x
x = 661,218,483,254.21/906,049.62 - Step 6: Final answer
x = 729,781.76
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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.