Finding the Fourth Proportional to 790,852.70, 1,186,278.51 and 317,537.84
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Solution
The fourth proportional to 790,852.70, 1,186,278.51 and 317,537.84 is: 476,306.54
Step by Step Solution
- Step 1: Write the proportion equation
790,852.70 : 1,186,278.51 = 317,537.84 : x - Step 2: Convert to fraction form
790,852.70/1,186,278.51 = 317,537.84/x - Step 3: Cross multiply
790,852.70x = 1,186,278.51 × 317,537.84 - Step 4: Simplify right side
790,852.70x = 376,688,315,703.82 - Step 5: Solve for x
x = 376,688,315,703.82/790,852.70 - Step 6: Final answer
x = 476,306.54
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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.