Finding the Fourth Proportional to 790,377.36, 1,185,787.98 and 317,394.84
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Solution
The fourth proportional to 790,377.36, 1,185,787.98 and 317,394.84 is: 476,181.39
Step by Step Solution
- Step 1: Write the proportion equation
790,377.36 : 1,185,787.98 = 317,394.84 : x - Step 2: Convert to fraction form
790,377.36/1,185,787.98 = 317,394.84/x - Step 3: Cross multiply
790,377.36x = 1,185,787.98 × 317,394.84 - Step 4: Simplify right side
790,377.36x = 376,362,986,186.02 - Step 5: Solve for x
x = 376,362,986,186.02/790,377.36 - Step 6: Final answer
x = 476,181.39
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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.