Finding the Fourth Proportional to 600,643.12, 829,072.02 and 346,163.80
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Solution
The fourth proportional to 600,643.12, 829,072.02 and 346,163.80 is: 477,812.38
Step by Step Solution
- Step 1: Write the proportion equation
600,643.12 : 829,072.02 = 346,163.80 : x - Step 2: Convert to fraction form
600,643.12/829,072.02 = 346,163.80/x - Step 3: Cross multiply
600,643.12x = 829,072.02 × 346,163.80 - Step 4: Simplify right side
600,643.12x = 286,994,720,916.88 - Step 5: Solve for x
x = 286,994,720,916.88/600,643.12 - Step 6: Final answer
x = 477,812.38
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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.