Finding the Fourth Proportional to 788,107.25, 1,182,326.93 and 255,586.76
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Solution
The fourth proportional to 788,107.25, 1,182,326.93 and 255,586.76 is: 383,433.99
Step by Step Solution
- Step 1: Write the proportion equation
788,107.25 : 1,182,326.93 = 255,586.76 : x - Step 2: Convert to fraction form
788,107.25/1,182,326.93 = 255,586.76/x - Step 3: Cross multiply
788,107.25x = 1,182,326.93 × 255,586.76 - Step 4: Simplify right side
788,107.25x = 302,187,107,502.06 - Step 5: Solve for x
x = 302,187,107,502.06/788,107.25 - Step 6: Final answer
x = 383,433.99
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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.