Finding the Fourth Proportional to 625,765.16, 863,674.98 and 371,256.68
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Solution
The fourth proportional to 625,765.16, 863,674.98 and 371,256.68 is: 512,404.85
Step by Step Solution
- Step 1: Write the proportion equation
625,765.16 : 863,674.98 = 371,256.68 : x - Step 2: Convert to fraction form
625,765.16/863,674.98 = 371,256.68/x - Step 3: Cross multiply
625,765.16x = 863,674.98 × 371,256.68 - Step 4: Simplify right side
625,765.16x = 320,645,105,673.87 - Step 5: Solve for x
x = 320,645,105,673.87/625,765.16 - Step 6: Final answer
x = 512,404.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.