Finding the Fourth Proportional to 693,014.18, 956,375.25 and 406,740.74
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Solution
The fourth proportional to 693,014.18, 956,375.25 and 406,740.74 is: 561,311.42
Step by Step Solution
- Step 1: Write the proportion equation
693,014.18 : 956,375.25 = 406,740.74 : x - Step 2: Convert to fraction form
693,014.18/956,375.25 = 406,740.74/x - Step 3: Cross multiply
693,014.18x = 956,375.25 × 406,740.74 - Step 4: Simplify right side
693,014.18x = 388,996,776,902.69 - Step 5: Solve for x
x = 388,996,776,902.69/693,014.18 - Step 6: Final answer
x = 561,311.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.