Finding the Fourth Proportional to 910,423.05, 1,365,634.58 and 436,864.65
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Solution
The fourth proportional to 910,423.05, 1,365,634.58 and 436,864.65 is: 655,296.98
Step by Step Solution
- Step 1: Write the proportion equation
910,423.05 : 1,365,634.58 = 436,864.65 : x - Step 2: Convert to fraction form
910,423.05/1,365,634.58 = 436,864.65/x - Step 3: Cross multiply
910,423.05x = 1,365,634.58 × 436,864.65 - Step 4: Simplify right side
910,423.05x = 596,597,470,635.27 - Step 5: Solve for x
x = 596,597,470,635.27/910,423.05 - Step 6: Final answer
x = 655,296.98
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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.