Finding the Fourth Proportional to 839,130.86, 1,157,696.82 and 548,908.08
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Solution
The fourth proportional to 839,130.86, 1,157,696.82 and 548,908.08 is: 757,294.44
Step by Step Solution
- Step 1: Write the proportion equation
839,130.86 : 1,157,696.82 = 548,908.08 : x - Step 2: Convert to fraction form
839,130.86/1,157,696.82 = 548,908.08/x - Step 3: Cross multiply
839,130.86x = 1,157,696.82 × 548,908.08 - Step 4: Simplify right side
839,130.86x = 635,469,138,688.31 - Step 5: Solve for x
x = 635,469,138,688.31/839,130.86 - Step 6: Final answer
x = 757,294.44
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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.