Finding the Fourth Proportional to 986,232.20, 1,361,000.42 and 533,523.20
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Solution
The fourth proportional to 986,232.20, 1,361,000.42 and 533,523.20 is: 736,262.00
Step by Step Solution
- Step 1: Write the proportion equation
986,232.20 : 1,361,000.42 = 533,523.20 : x - Step 2: Convert to fraction form
986,232.20/1,361,000.42 = 533,523.20/x - Step 3: Cross multiply
986,232.20x = 1,361,000.42 × 533,523.20 - Step 4: Simplify right side
986,232.20x = 726,125,289,807.13 - Step 5: Solve for x
x = 726,125,289,807.13/986,232.20 - Step 6: Final answer
x = 736,262.00
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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.