Finding the Fourth Proportional to 465,919.40, 698,879.10 and 297,957.80
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Solution
The fourth proportional to 465,919.40, 698,879.10 and 297,957.80 is: 446,936.70
Step by Step Solution
- Step 1: Write the proportion equation
465,919.40 : 698,879.10 = 297,957.80 : x - Step 2: Convert to fraction form
465,919.40/698,879.10 = 297,957.80/x - Step 3: Cross multiply
465,919.40x = 698,879.10 × 297,957.80 - Step 4: Simplify right side
465,919.40x = 208,236,479,101.98 - Step 5: Solve for x
x = 208,236,479,101.98/465,919.40 - Step 6: Final answer
x = 446,936.70
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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.