Finding the Fourth Proportional to 852,014.38, 1,175,783.97 and 470,041.06
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Solution
The fourth proportional to 852,014.38, 1,175,783.97 and 470,041.06 is: 648,658.94
Step by Step Solution
- Step 1: Write the proportion equation
852,014.38 : 1,175,783.97 = 470,041.06 : x - Step 2: Convert to fraction form
852,014.38/1,175,783.97 = 470,041.06/x - Step 3: Cross multiply
852,014.38x = 1,175,783.97 × 470,041.06 - Step 4: Simplify right side
852,014.38x = 552,666,743,589.81 - Step 5: Solve for x
x = 552,666,743,589.81/852,014.38 - Step 6: Final answer
x = 648,658.94
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1.5x scale
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.