Finding the Fourth Proportional to 1,543,452.24, 2,315,265.84 and 478,645.68
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Solution
The fourth proportional to 1,543,452.24, 2,315,265.84 and 478,645.68 is: 717,995.65
Step by Step Solution
- Step 1: Write the proportion equation
1,543,452.24 : 2,315,265.84 = 478,645.68 : x - Step 2: Convert to fraction form
1,543,452.24/2,315,265.84 = 478,645.68/x - Step 3: Cross multiply
1,543,452.24x = 2,315,265.84 × 478,645.68 - Step 4: Simplify right side
1,543,452.24x = 1,108,191,985,382.79 - Step 5: Solve for x
x = 1,108,191,985,382.79/1,543,452.24 - Step 6: Final answer
x = 717,995.65
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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.