Finding the Fourth Proportional to 801,632.71, 1,106,241.97 and 457,577.75
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Solution
The fourth proportional to 801,632.71, 1,106,241.97 and 457,577.75 is: 631,450.92
Step by Step Solution
- Step 1: Write the proportion equation
801,632.71 : 1,106,241.97 = 457,577.75 : x - Step 2: Convert to fraction form
801,632.71/1,106,241.97 = 457,577.75/x - Step 3: Cross multiply
801,632.71x = 1,106,241.97 × 457,577.75 - Step 4: Simplify right side
801,632.71x = 506,191,711,588.17 - Step 5: Solve for x
x = 506,191,711,588.17/801,632.71 - Step 6: Final answer
x = 631,450.92
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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.