Finding the Fourth Proportional to 568,306.82, 784,261.80 and 313,656.19
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Solution
The fourth proportional to 568,306.82, 784,261.80 and 313,656.19 is: 432,844.65
Step by Step Solution
- Step 1: Write the proportion equation
568,306.82 : 784,261.80 = 313,656.19 : x - Step 2: Convert to fraction form
568,306.82/784,261.80 = 313,656.19/x - Step 3: Cross multiply
568,306.82x = 784,261.80 × 313,656.19 - Step 4: Simplify right side
568,306.82x = 245,988,566,189.89 - Step 5: Solve for x
x = 245,988,566,189.89/568,306.82 - Step 6: Final answer
x = 432,844.65
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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.