Finding the Fourth Proportional to 778,764.24, 1,167,739.20 and 351,933.12
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Solution
The fourth proportional to 778,764.24, 1,167,739.20 and 351,933.12 is: 527,715.68
Step by Step Solution
- Step 1: Write the proportion equation
778,764.24 : 1,167,739.20 = 351,933.12 : x - Step 2: Convert to fraction form
778,764.24/1,167,739.20 = 351,933.12/x - Step 3: Cross multiply
778,764.24x = 1,167,739.20 × 351,933.12 - Step 4: Simplify right side
778,764.24x = 410,966,100,002.30 - Step 5: Solve for x
x = 410,966,100,002.30/778,764.24 - Step 6: Final answer
x = 527,715.68
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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.