Finding the Fourth Proportional to 698,821.60, 1,048,232.40 and 446,879.20
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Solution
The fourth proportional to 698,821.60, 1,048,232.40 and 446,879.20 is: 670,318.80
Step by Step Solution
- Step 1: Write the proportion equation
698,821.60 : 1,048,232.40 = 446,879.20 : x - Step 2: Convert to fraction form
698,821.60/1,048,232.40 = 446,879.20/x - Step 3: Cross multiply
698,821.60x = 1,048,232.40 × 446,879.20 - Step 4: Simplify right side
698,821.60x = 468,433,256,326.08 - Step 5: Solve for x
x = 468,433,256,326.08/698,821.60 - Step 6: Final answer
x = 670,318.80
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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.