Finding the Fourth Proportional to 830,736.74, 1,248,706.20 and 548,242.62
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Solution
The fourth proportional to 830,736.74, 1,248,706.20 and 548,242.62 is: 824,080.51
Step by Step Solution
- Step 1: Write the proportion equation
830,736.74 : 1,248,706.20 = 548,242.62 : x - Step 2: Convert to fraction form
830,736.74/1,248,706.20 = 548,242.62/x - Step 3: Cross multiply
830,736.74x = 1,248,706.20 × 548,242.62 - Step 4: Simplify right side
830,736.74x = 684,593,958,698.24 - Step 5: Solve for x
x = 684,593,958,698.24/830,736.74 - Step 6: Final answer
x = 824,080.51
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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.