Finding the Fourth Proportional to 790,376.84, 1,185,566.11 and 369,947.96
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Solution
The fourth proportional to 790,376.84, 1,185,566.11 and 369,947.96 is: 554,922.33
Step by Step Solution
- Step 1: Write the proportion equation
790,376.84 : 1,185,566.11 = 369,947.96 : x - Step 2: Convert to fraction form
790,376.84/1,185,566.11 = 369,947.96/x - Step 3: Cross multiply
790,376.84x = 1,185,566.11 × 369,947.96 - Step 4: Simplify right side
790,376.84x = 438,597,756,986.94 - Step 5: Solve for x
x = 438,597,756,986.94/790,376.84 - Step 6: Final answer
x = 554,922.33
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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.