Finding the Fourth Proportional to 925,439.48, 1,277,171.57 and 517,579.28
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Solution
The fourth proportional to 925,439.48, 1,277,171.57 and 517,579.28 is: 714,295.80
Step by Step Solution
- Step 1: Write the proportion equation
925,439.48 : 1,277,171.57 = 517,579.28 : x - Step 2: Convert to fraction form
925,439.48/1,277,171.57 = 517,579.28/x - Step 3: Cross multiply
925,439.48x = 1,277,171.57 × 517,579.28 - Step 4: Simplify right side
925,439.48x = 661,037,534,604.24 - Step 5: Solve for x
x = 661,037,534,604.24/925,439.48 - Step 6: Final answer
x = 714,295.80
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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.