Finding the Fourth Proportional to 687,630.80, 1,030,824.12 and 244,295.12
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Solution
The fourth proportional to 687,630.80, 1,030,824.12 and 244,295.12 is: 366,221.67
Step by Step Solution
- Step 1: Write the proportion equation
687,630.80 : 1,030,824.12 = 244,295.12 : x - Step 2: Convert to fraction form
687,630.80/1,030,824.12 = 244,295.12/x - Step 3: Cross multiply
687,630.80x = 1,030,824.12 × 244,295.12 - Step 4: Simplify right side
687,630.80x = 251,825,302,094.29 - Step 5: Solve for x
x = 251,825,302,094.29/687,630.80 - Step 6: Final answer
x = 366,221.67
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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.