Finding the Fourth Proportional to 677,371.02, 1,015,926.99 and 340,318.28
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Solution
The fourth proportional to 677,371.02, 1,015,926.99 and 340,318.28 is: 510,412.33
Step by Step Solution
- Step 1: Write the proportion equation
677,371.02 : 1,015,926.99 = 340,318.28 : x - Step 2: Convert to fraction form
677,371.02/1,015,926.99 = 340,318.28/x - Step 3: Cross multiply
677,371.02x = 1,015,926.99 × 340,318.28 - Step 4: Simplify right side
677,371.02x = 345,738,520,762.74 - Step 5: Solve for x
x = 345,738,520,762.74/677,371.02 - Step 6: Final answer
x = 510,412.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.