Finding the Fourth Proportional to 807,201.80, 1,210,802.70 and 452,907.80
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Solution
The fourth proportional to 807,201.80, 1,210,802.70 and 452,907.80 is: 679,361.70
Step by Step Solution
- Step 1: Write the proportion equation
807,201.80 : 1,210,802.70 = 452,907.80 : x - Step 2: Convert to fraction form
807,201.80/1,210,802.70 = 452,907.80/x - Step 3: Cross multiply
807,201.80x = 1,210,802.70 × 452,907.80 - Step 4: Simplify right side
807,201.80x = 548,381,987,091.06 - Step 5: Solve for x
x = 548,381,987,091.06/807,201.80 - Step 6: Final answer
x = 679,361.70
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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.