Finding the Fourth Proportional to 673,521.36, 929,455.24 and 371,715.28
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Solution
The fourth proportional to 673,521.36, 929,455.24 and 371,715.28 is: 512,964.75
Step by Step Solution
- Step 1: Write the proportion equation
673,521.36 : 929,455.24 = 371,715.28 : x - Step 2: Convert to fraction form
673,521.36/929,455.24 = 371,715.28/x - Step 3: Cross multiply
673,521.36x = 929,455.24 × 371,715.28 - Step 4: Simplify right side
673,521.36x = 345,492,714,784.07 - Step 5: Solve for x
x = 345,492,714,784.07/673,521.36 - Step 6: Final answer
x = 512,964.75
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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.