Finding the Fourth Proportional to 801,940.88, 1,106,661.48 and 439,347.08
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Solution
The fourth proportional to 801,940.88, 1,106,661.48 and 439,347.08 is: 606,289.69
Step by Step Solution
- Step 1: Write the proportion equation
801,940.88 : 1,106,661.48 = 439,347.08 : x - Step 2: Convert to fraction form
801,940.88/1,106,661.48 = 439,347.08/x - Step 3: Cross multiply
801,940.88x = 1,106,661.48 × 439,347.08 - Step 4: Simplify right side
801,940.88x = 486,208,489,786.48 - Step 5: Solve for x
x = 486,208,489,786.48/801,940.88 - Step 6: Final answer
x = 606,289.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.