Finding the Fourth Proportional to 486,447.58, 669,811.49 and 440,828.65
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Solution
The fourth proportional to 486,447.58, 669,811.49 and 440,828.65 is: 606,996.74
Step by Step Solution
- Step 1: Write the proportion equation
486,447.58 : 669,811.49 = 440,828.65 : x - Step 2: Convert to fraction form
486,447.58/669,811.49 = 440,828.65/x - Step 3: Cross multiply
486,447.58x = 669,811.49 × 440,828.65 - Step 4: Simplify right side
486,447.58x = 295,272,091,542.13 - Step 5: Solve for x
x = 295,272,091,542.13/486,447.58 - Step 6: Final answer
x = 606,996.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.