Finding the Fourth Proportional to 568,330.74, 784,240.58 and 313,665.53
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Solution
The fourth proportional to 568,330.74, 784,240.58 and 313,665.53 is: 432,827.61
Step by Step Solution
- Step 1: Write the proportion equation
568,330.74 : 784,240.58 = 313,665.53 : x - Step 2: Convert to fraction form
568,330.74/784,240.58 = 313,665.53/x - Step 3: Cross multiply
568,330.74x = 784,240.58 × 313,665.53 - Step 4: Simplify right side
568,330.74x = 245,989,234,036.17 - Step 5: Solve for x
x = 245,989,234,036.17/568,330.74 - Step 6: Final answer
x = 432,827.61
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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.