Finding the Fourth Proportional to 446,605.40, 669,908.10 and 304,887.80
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Solution
The fourth proportional to 446,605.40, 669,908.10 and 304,887.80 is: 457,331.70
Step by Step Solution
- Step 1: Write the proportion equation
446,605.40 : 669,908.10 = 304,887.80 : x - Step 2: Convert to fraction form
446,605.40/669,908.10 = 304,887.80/x - Step 3: Cross multiply
446,605.40x = 669,908.10 × 304,887.80 - Step 4: Simplify right side
446,605.40x = 204,246,806,811.18 - Step 5: Solve for x
x = 204,246,806,811.18/446,605.40 - Step 6: Final answer
x = 457,331.70
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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.