Finding the Fourth Proportional to 699,625.41, 1,048,552.21 and 339,878.60
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Solution
The fourth proportional to 699,625.41, 1,048,552.21 and 339,878.60 is: 509,387.53
Step by Step Solution
- Step 1: Write the proportion equation
699,625.41 : 1,048,552.21 = 339,878.60 : x - Step 2: Convert to fraction form
699,625.41/1,048,552.21 = 339,878.60/x - Step 3: Cross multiply
699,625.41x = 1,048,552.21 × 339,878.60 - Step 4: Simplify right side
699,625.41x = 356,380,455,462.31 - Step 5: Solve for x
x = 356,380,455,462.31/699,625.41 - Step 6: Final answer
x = 509,387.53
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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.