Finding the Fourth Proportional to 730,712.80, 1,095,550.80 and 331,544.80
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Solution
The fourth proportional to 730,712.80, 1,095,550.80 and 331,544.80 is: 497,081.99
Step by Step Solution
- Step 1: Write the proportion equation
730,712.80 : 1,095,550.80 = 331,544.80 : x - Step 2: Convert to fraction form
730,712.80/1,095,550.80 = 331,544.80/x - Step 3: Cross multiply
730,712.80x = 1,095,550.80 × 331,544.80 - Step 4: Simplify right side
730,712.80x = 363,224,170,875.84 - Step 5: Solve for x
x = 363,224,170,875.84/730,712.80 - Step 6: Final answer
x = 497,081.99
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1.5x scale
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.