Finding the Fourth Proportional to 1,016,911.44, 1,403,338 and 564,201.36
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Solution
The fourth proportional to 1,016,911.44, 1,403,338 and 564,201.36 is: 778,597.99
Step by Step Solution
- Step 1: Write the proportion equation
1,016,911.44 : 1,403,338 = 564,201.36 : x - Step 2: Convert to fraction form
1,016,911.44/1,403,338 = 564,201.36/x - Step 3: Cross multiply
1,016,911.44x = 1,403,338 × 564,201.36 - Step 4: Simplify right side
1,016,911.44x = 791,765,208,139.68 - Step 5: Solve for x
x = 791,765,208,139.68/1,016,911.44 - Step 6: Final answer
x = 778,597.99
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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.