Finding the Fourth Proportional to 985,053.84, 1,477,664.58 and 310,954.80
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Solution
The fourth proportional to 985,053.84, 1,477,664.58 and 310,954.80 is: 466,458.66
Step by Step Solution
- Step 1: Write the proportion equation
985,053.84 : 1,477,664.58 = 310,954.80 : x - Step 2: Convert to fraction form
985,053.84/1,477,664.58 = 310,954.80/x - Step 3: Cross multiply
985,053.84x = 1,477,664.58 × 310,954.80 - Step 4: Simplify right side
985,053.84x = 459,486,893,940.98 - Step 5: Solve for x
x = 459,486,893,940.98/985,053.84 - Step 6: Final answer
x = 466,458.66
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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.