Finding the Fourth Proportional to 465,863.40, 698,795.10 and 297,901.80
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Solution
The fourth proportional to 465,863.40, 698,795.10 and 297,901.80 is: 446,852.70
Step by Step Solution
- Step 1: Write the proportion equation
465,863.40 : 698,795.10 = 297,901.80 : x - Step 2: Convert to fraction form
465,863.40/698,795.10 = 297,901.80/x - Step 3: Cross multiply
465,863.40x = 698,795.10 × 297,901.80 - Step 4: Simplify right side
465,863.40x = 208,172,318,121.18 - Step 5: Solve for x
x = 208,172,318,121.18/465,863.40 - Step 6: Final answer
x = 446,852.70
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Similar ratio
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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.