Finding the Fourth Proportional to 708,369.36, 1,062,272.10 and 258,987.84
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Solution
The fourth proportional to 708,369.36, 1,062,272.10 and 258,987.84 is: 388,378.68
Step by Step Solution
- Step 1: Write the proportion equation
708,369.36 : 1,062,272.10 = 258,987.84 : x - Step 2: Convert to fraction form
708,369.36/1,062,272.10 = 258,987.84/x - Step 3: Cross multiply
708,369.36x = 1,062,272.10 × 258,987.84 - Step 4: Simplify right side
708,369.36x = 275,115,556,671.26 - Step 5: Solve for x
x = 275,115,556,671.26/708,369.36 - Step 6: Final answer
x = 388,378.68
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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.