Finding the Fourth Proportional to 918,417.33, 1,267,431.03 and 504,971.58
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Solution
The fourth proportional to 918,417.33, 1,267,431.03 and 504,971.58 is: 696,869.09
Step by Step Solution
- Step 1: Write the proportion equation
918,417.33 : 1,267,431.03 = 504,971.58 : x - Step 2: Convert to fraction form
918,417.33/1,267,431.03 = 504,971.58/x - Step 3: Cross multiply
918,417.33x = 1,267,431.03 × 504,971.58 - Step 4: Simplify right side
918,417.33x = 640,016,649,760.13 - Step 5: Solve for x
x = 640,016,649,760.13/918,417.33 - Step 6: Final answer
x = 696,869.09
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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.