Finding the Fourth Proportional to 912,328.10, 1,258,961.97 and 504,406.16
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Solution
The fourth proportional to 912,328.10, 1,258,961.97 and 504,406.16 is: 696,052.41
Step by Step Solution
- Step 1: Write the proportion equation
912,328.10 : 1,258,961.97 = 504,406.16 : x - Step 2: Convert to fraction form
912,328.10/1,258,961.97 = 504,406.16/x - Step 3: Cross multiply
912,328.10x = 1,258,961.97 × 504,406.16 - Step 4: Simplify right side
912,328.10x = 635,028,172,873.74 - Step 5: Solve for x
x = 635,028,172,873.74/912,328.10 - Step 6: Final answer
x = 696,052.41
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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.