Finding the Fourth Proportional to 702,409.97, 969,328.14 and 380,119.97
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Solution
The fourth proportional to 702,409.97, 969,328.14 and 380,119.97 is: 524,566.85
Step by Step Solution
- Step 1: Write the proportion equation
702,409.97 : 969,328.14 = 380,119.97 : x - Step 2: Convert to fraction form
702,409.97/969,328.14 = 380,119.97/x - Step 3: Cross multiply
702,409.97x = 969,328.14 × 380,119.97 - Step 4: Simplify right side
702,409.97x = 368,460,983,496.96 - Step 5: Solve for x
x = 368,460,983,496.96/702,409.97 - Step 6: Final answer
x = 524,566.85
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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.