Finding the Fourth Proportional to 519,448.08, 779,651.09 and 263,460.31
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Solution
The fourth proportional to 519,448.08, 779,651.09 and 263,460.31 is: 395,433.40
Step by Step Solution
- Step 1: Write the proportion equation
519,448.08 : 779,651.09 = 263,460.31 : x - Step 2: Convert to fraction form
519,448.08/779,651.09 = 263,460.31/x - Step 3: Cross multiply
519,448.08x = 779,651.09 × 263,460.31 - Step 4: Simplify right side
519,448.08x = 205,407,117,863.24 - Step 5: Solve for x
x = 205,407,117,863.24/519,448.08 - Step 6: Final answer
x = 395,433.40
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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.