Finding the Fourth Proportional to 829,083.80, 1,243,625.70 and 735,771.80
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Solution
The fourth proportional to 829,083.80, 1,243,625.70 and 735,771.80 is: 1,103,657.70
Step by Step Solution
- Step 1: Write the proportion equation
829,083.80 : 1,243,625.70 = 735,771.80 : x - Step 2: Convert to fraction form
829,083.80/1,243,625.70 = 735,771.80/x - Step 3: Cross multiply
829,083.80x = 1,243,625.70 × 735,771.80 - Step 4: Simplify right side
829,083.80x = 915,024,719,815.26 - Step 5: Solve for x
x = 915,024,719,815.26/829,083.80 - Step 6: Final answer
x = 1,103,657.70
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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.