Finding the Fourth Proportional to 647,531.80, 970,908.90 and 332,603.80
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Solution
The fourth proportional to 647,531.80, 970,908.90 and 332,603.80 is: 498,705.99
Step by Step Solution
- Step 1: Write the proportion equation
647,531.80 : 970,908.90 = 332,603.80 : x - Step 2: Convert to fraction form
647,531.80/970,908.90 = 332,603.80/x - Step 3: Cross multiply
647,531.80x = 970,908.90 × 332,603.80 - Step 4: Simplify right side
647,531.80x = 322,927,989,593.82 - Step 5: Solve for x
x = 322,927,989,593.82/647,531.80 - Step 6: Final answer
x = 498,705.99
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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.