Finding the Fourth Proportional to 656,579.70, 984,869.55 and 446,627.70
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Solution
The fourth proportional to 656,579.70, 984,869.55 and 446,627.70 is: 669,941.55
Step by Step Solution
- Step 1: Write the proportion equation
656,579.70 : 984,869.55 = 446,627.70 : x - Step 2: Convert to fraction form
656,579.70/984,869.55 = 446,627.70/x - Step 3: Cross multiply
656,579.70x = 984,869.55 × 446,627.70 - Step 4: Simplify right side
656,579.70x = 439,870,021,916.54 - Step 5: Solve for x
x = 439,870,021,916.54/656,579.70 - Step 6: Final answer
x = 669,941.55
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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.