Finding the Fourth Proportional to 1,152,305.22, 1,729,229.26 and 478,387.08
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Solution
The fourth proportional to 1,152,305.22, 1,729,229.26 and 478,387.08 is: 717,900.88
Step by Step Solution
- Step 1: Write the proportion equation
1,152,305.22 : 1,729,229.26 = 478,387.08 : x - Step 2: Convert to fraction form
1,152,305.22/1,729,229.26 = 478,387.08/x - Step 3: Cross multiply
1,152,305.22x = 1,729,229.26 × 478,387.08 - Step 4: Simplify right side
1,152,305.22x = 827,240,936,341.96 - Step 5: Solve for x
x = 827,240,936,341.96/1,152,305.22 - Step 6: Final answer
x = 717,900.88
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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.