Finding the Fourth Proportional to 772,933.80, 1,159,400.70 and 720,445.80
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Solution
The fourth proportional to 772,933.80, 1,159,400.70 and 720,445.80 is: 1,080,668.70
Step by Step Solution
- Step 1: Write the proportion equation
772,933.80 : 1,159,400.70 = 720,445.80 : x - Step 2: Convert to fraction form
772,933.80/1,159,400.70 = 720,445.80/x - Step 3: Cross multiply
772,933.80x = 1,159,400.70 × 720,445.80 - Step 4: Simplify right side
772,933.80x = 835,285,364,832.06 - Step 5: Solve for x
x = 835,285,364,832.06/772,933.80 - Step 6: Final answer
x = 1,080,668.70
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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.