Finding the Fourth Proportional to 644,594.24, 966,559.36 and 289,303.68
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Solution
The fourth proportional to 644,594.24, 966,559.36 and 289,303.68 is: 433,806.51
Step by Step Solution
- Step 1: Write the proportion equation
644,594.24 : 966,559.36 = 289,303.68 : x - Step 2: Convert to fraction form
644,594.24/966,559.36 = 289,303.68/x - Step 3: Cross multiply
644,594.24x = 966,559.36 × 289,303.68 - Step 4: Simplify right side
644,594.24x = 279,629,179,786.45 - Step 5: Solve for x
x = 279,629,179,786.45/644,594.24 - Step 6: Final answer
x = 433,806.51
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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.