Finding the Fourth Proportional to 960,854.20, 1,440,625.20 and 455,657.20
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Solution
The fourth proportional to 960,854.20, 1,440,625.20 and 455,657.20 is: 683,174.66
Step by Step Solution
- Step 1: Write the proportion equation
960,854.20 : 1,440,625.20 = 455,657.20 : x - Step 2: Convert to fraction form
960,854.20/1,440,625.20 = 455,657.20/x - Step 3: Cross multiply
960,854.20x = 1,440,625.20 × 455,657.20 - Step 4: Simplify right side
960,854.20x = 656,431,244,881.44 - Step 5: Solve for x
x = 656,431,244,881.44/960,854.20 - Step 6: Final answer
x = 683,174.66
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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.