Finding the Fourth Proportional to 719,958.99, 1,080,000.51 and 187,480.99
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Solution
The fourth proportional to 719,958.99, 1,080,000.51 and 187,480.99 is: 281,237.64
Step by Step Solution
- Step 1: Write the proportion equation
719,958.99 : 1,080,000.51 = 187,480.99 : x - Step 2: Convert to fraction form
719,958.99/1,080,000.51 = 187,480.99/x - Step 3: Cross multiply
719,958.99x = 1,080,000.51 × 187,480.99 - Step 4: Simplify right side
719,958.99x = 202,479,563,877.90 - Step 5: Solve for x
x = 202,479,563,877.90/719,958.99 - Step 6: Final answer
x = 281,237.64
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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.