Finding the Fourth Proportional to 568,329.16, 784,293.42 and 313,679.74
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Solution
The fourth proportional to 568,329.16, 784,293.42 and 313,679.74 is: 432,877.59
Step by Step Solution
- Step 1: Write the proportion equation
568,329.16 : 784,293.42 = 313,679.74 : x - Step 2: Convert to fraction form
568,329.16/784,293.42 = 313,679.74/x - Step 3: Cross multiply
568,329.16x = 784,293.42 × 313,679.74 - Step 4: Simplify right side
568,329.16x = 246,016,956,069.31 - Step 5: Solve for x
x = 246,016,956,069.31/568,329.16 - Step 6: Final answer
x = 432,877.59
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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.