Finding the Fourth Proportional to 668,704.80, 1,003,122 and 195,379.68
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Solution
The fourth proportional to 668,704.80, 1,003,122 and 195,379.68 is: 293,088.45
Step by Step Solution
- Step 1: Write the proportion equation
668,704.80 : 1,003,122 = 195,379.68 : x - Step 2: Convert to fraction form
668,704.80/1,003,122 = 195,379.68/x - Step 3: Cross multiply
668,704.80x = 1,003,122 × 195,379.68 - Step 4: Simplify right side
668,704.80x = 195,989,655,360.96 - Step 5: Solve for x
x = 195,989,655,360.96/668,704.80 - Step 6: Final answer
x = 293,088.45
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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.