Finding the Fourth Proportional to 698,704.09, 1,048,277.67 and 249,415.31
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Solution
The fourth proportional to 698,704.09, 1,048,277.67 and 249,415.31 is: 374,202.05
Step by Step Solution
- Step 1: Write the proportion equation
698,704.09 : 1,048,277.67 = 249,415.31 : x - Step 2: Convert to fraction form
698,704.09/1,048,277.67 = 249,415.31/x - Step 3: Cross multiply
698,704.09x = 1,048,277.67 × 249,415.31 - Step 4: Simplify right side
698,704.09x = 261,456,498,782.05 - Step 5: Solve for x
x = 261,456,498,782.05/698,704.09 - Step 6: Final answer
x = 374,202.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.