Finding the Fourth Proportional to 801,939.88, 1,106,660.10 and 439,346.08
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Solution
The fourth proportional to 801,939.88, 1,106,660.10 and 439,346.08 is: 606,288.31
Step by Step Solution
- Step 1: Write the proportion equation
801,939.88 : 1,106,660.10 = 439,346.08 : x - Step 2: Convert to fraction form
801,939.88/1,106,660.10 = 439,346.08/x - Step 3: Cross multiply
801,939.88x = 1,106,660.10 × 439,346.08 - Step 4: Simplify right side
801,939.88x = 486,206,776,827.41 - Step 5: Solve for x
x = 486,206,776,827.41/801,939.88 - Step 6: Final answer
x = 606,288.31
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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.