Finding the Fourth Proportional to 944,861.58, 1,303,896.42 and 515,140.92
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Solution
The fourth proportional to 944,861.58, 1,303,896.42 and 515,140.92 is: 710,887.62
Step by Step Solution
- Step 1: Write the proportion equation
944,861.58 : 1,303,896.42 = 515,140.92 : x - Step 2: Convert to fraction form
944,861.58/1,303,896.42 = 515,140.92/x - Step 3: Cross multiply
944,861.58x = 1,303,896.42 × 515,140.92 - Step 4: Simplify right side
944,861.58x = 671,690,401,383.51 - Step 5: Solve for x
x = 671,690,401,383.51/944,861.58 - Step 6: Final answer
x = 710,887.62
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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.