Finding the Fourth Proportional to 568,312.44, 784,267.29 and 313,663.65
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Solution
The fourth proportional to 568,312.44, 784,267.29 and 313,663.65 is: 432,853.70
Step by Step Solution
- Step 1: Write the proportion equation
568,312.44 : 784,267.29 = 313,663.65 : x - Step 2: Convert to fraction form
568,312.44/784,267.29 = 313,663.65/x - Step 3: Cross multiply
568,312.44x = 784,267.29 × 313,663.65 - Step 4: Simplify right side
568,312.44x = 245,996,140,757.01 - Step 5: Solve for x
x = 245,996,140,757.01/568,312.44 - Step 6: Final answer
x = 432,853.70
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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.