Finding the Fourth Proportional to 790,367.34, 1,185,772.94 and 317,384.84
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Solution
The fourth proportional to 790,367.34, 1,185,772.94 and 317,384.84 is: 476,166.38
Step by Step Solution
- Step 1: Write the proportion equation
790,367.34 : 1,185,772.94 = 317,384.84 : x - Step 2: Convert to fraction form
790,367.34/1,185,772.94 = 317,384.84/x - Step 3: Cross multiply
790,367.34x = 1,185,772.94 × 317,384.84 - Step 4: Simplify right side
790,367.34x = 376,346,354,838.23 - Step 5: Solve for x
x = 376,346,354,838.23/790,367.34 - Step 6: Final answer
x = 476,166.38
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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.