Finding the Fourth Proportional to 568,220.67, 784,163.35 and 310,111.74
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Solution
The fourth proportional to 568,220.67, 784,163.35 and 310,111.74 is: 427,964.47
Step by Step Solution
- Step 1: Write the proportion equation
568,220.67 : 784,163.35 = 310,111.74 : x - Step 2: Convert to fraction form
568,220.67/784,163.35 = 310,111.74/x - Step 3: Cross multiply
568,220.67x = 784,163.35 × 310,111.74 - Step 4: Simplify right side
568,220.67x = 243,178,256,216.63 - Step 5: Solve for x
x = 243,178,256,216.63/568,220.67 - Step 6: Final answer
x = 427,964.47
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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.