Finding the Fourth Proportional to 568,423.44, 784,430.64 and 313,774.92
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Solution
The fourth proportional to 568,423.44, 784,430.64 and 313,774.92 is: 433,012.86
Step by Step Solution
- Step 1: Write the proportion equation
568,423.44 : 784,430.64 = 313,774.92 : x - Step 2: Convert to fraction form
568,423.44/784,430.64 = 313,774.92/x - Step 3: Cross multiply
568,423.44x = 784,430.64 × 313,774.92 - Step 4: Simplify right side
568,423.44x = 246,134,661,311.55 - Step 5: Solve for x
x = 246,134,661,311.55/568,423.44 - Step 6: Final answer
x = 433,012.86
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1.5x scale
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.