Finding the Fourth Proportional to 672,745.24, 927,423.78 and 529,256.08
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Solution
The fourth proportional to 672,745.24, 927,423.78 and 529,256.08 is: 729,614.49
Step by Step Solution
- Step 1: Write the proportion equation
672,745.24 : 927,423.78 = 529,256.08 : x - Step 2: Convert to fraction form
672,745.24/927,423.78 = 529,256.08/x - Step 3: Cross multiply
672,745.24x = 927,423.78 × 529,256.08 - Step 4: Simplify right side
672,745.24x = 490,844,674,301.58 - Step 5: Solve for x
x = 490,844,674,301.58/672,745.24 - Step 6: Final answer
x = 729,614.49
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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.