Finding the Fourth Proportional to 986,539.60, 1,479,809.40 and 827,107.30
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Solution
The fourth proportional to 986,539.60, 1,479,809.40 and 827,107.30 is: 1,240,660.95
Step by Step Solution
- Step 1: Write the proportion equation
986,539.60 : 1,479,809.40 = 827,107.30 : x - Step 2: Convert to fraction form
986,539.60/1,479,809.40 = 827,107.30/x - Step 3: Cross multiply
986,539.60x = 1,479,809.40 × 827,107.30 - Step 4: Simplify right side
986,539.60x = 1,223,961,157,348.62 - Step 5: Solve for x
x = 1,223,961,157,348.62/986,539.60 - Step 6: Final answer
x = 1,240,660.95
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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.