Finding the Fourth Proportional to 568,303.39, 784,257.07 and 313,652.75
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Solution
The fourth proportional to 568,303.39, 784,257.07 and 313,652.75 is: 432,839.91
Step by Step Solution
- Step 1: Write the proportion equation
568,303.39 : 784,257.07 = 313,652.75 : x - Step 2: Convert to fraction form
568,303.39/784,257.07 = 313,652.75/x - Step 3: Cross multiply
568,303.39x = 784,257.07 × 313,652.75 - Step 4: Simplify right side
568,303.39x = 245,984,385,144.18 - Step 5: Solve for x
x = 245,984,385,144.18/568,303.39 - Step 6: Final answer
x = 432,839.91
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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.